Wall type lifting table and sound insulation cabin thereof

Abstract

The utility model discloses a wall type lifting table and a sound insulation cabin thereof, the wall type lifting table comprises a table plate and a linear driving mechanism fixed on the wall, the wall type lifting table further comprises a table plate supporting frame, a moving part of the linear driving mechanism is fixedly connected with the table plate supporting frame, the table plate supporting frame is fixedly connected with the table plate, and the table plate supporting frame is provided with a first sleeving structure; the wall is further provided with a second sleeving structure which is in sleeving connection with the first sleeving structure and is in sliding fit with the first sleeving structure. According to the sound insulation cabin provided with the wall type lifting table, a sound insulation side plate is of a hollow structure provided with an inner sound insulation plate and an outer sound insulation plate, and two vertical plates fixed to a table plate supporting frame penetrate through respective first vertical long through holes formed in the inner sound insulation plate and are fixed to a table plate. The lifting mechanism is firmly connected with the table board, the guidance quality and the stability of lifting of the table board are good, the operation noise of the lifting mechanism sensed by people in the sound insulation cabin is relatively small, the lifting mechanism cannot be seen in the cabin, and the good experience feeling of a user can be greatly enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the equipment technical field of providing relative private space in public place, specifically is a wall type lifting table and its sound insulation cabin. BACKGROUND

[0002] With the development of society and the demand of people's work, life and communication is continuously improved, a public place or business place or office area is placed, and the sound insulation cabin or called mute cabin that can facilitate 1 person to think, emotional outpouring or 1 person to several people to study, talk, meeting, telephone and video communication etc. gradually get popular application.

[0003] Generally speaking, the table is the necessary facility of the sound insulation cabin, the earliest is fixed table, and then gradually develops into wall type lifting table.

[0004] But the wall type lifting table of prior art applied in the sound insulation cabin still has the following deficiencies: 1, generally adopts the top of the middle lifting column and the middle of the table plate fixed, the bottom and the cabin body fixed, the connection strength is obviously insufficient, the guiding property, stability and reliability of the table plate lifting are obviously insufficient. 2, if the table plate is heavy, the nut after rising is distance from the bottom of the screw thread of the screw rod, and the table plate is in the static state, and the table plate suddenly drops due to overweight, which affects the safety of use and the experience of users. 3, the lifting mechanism is installed in the inner wall plate cabin inner space one side, the running noise is relatively large, and the lifting mechanism is directly exposed in the cabin space, and the sleeve pipe is arranged outside for safety and beauty, and the sleeve pipe bottom end as the column needs to be fixed on the bottom plate of the sound insulation cabin, which also increases the length of the column sleeve pipe, relatively increases the material cost. UTILITY MODEL CONTENTS

[0005] One of the technical problems to be solved by the utility model is to provide a wall type lifting table with firm connection between the lifting mechanism and the table plate, good guiding property and stability of the table plate lifting.

[0006] One of the technical solutions of the utility model is to provide a wall type lifting table, which comprises a table plate and a linear driving mechanism fixed on a wall, further comprises a table plate support frame, a moving part of the linear driving structure is fixedly connected with the table plate support frame, the table plate support frame is further fixedly connected with the table plate, the table plate support frame is provided with a first sleeve joint structure, and the wall is further provided with a second sleeve joint structure which is sleeved with the first sleeve joint structure and is in sliding cooperation.

[0007] After adopting the above structure, the lifting table of the utility model has the following advantages: through the combination of the linear driving structure and the sleeve joint structure, the guiding property and stability of the table plate are improved.

[0008] Further, at least two vertical plates on both sides of the width direction of the table board support frame are fixedly connected with the bottom of the table board, and a sliding sleeve or a guide column is arranged on both sides of the table board support frame, and the guide column or the sliding sleeve is fixed on the wall, wherein the sliding sleeve and the guide column are in sliding fit.

[0009] With the above structure, the wall-mounted lifting table has the following advantages: the driving end of the linear driving mechanism is connected with the table board through the support frame, and the support frame is simultaneously in sliding fit with at least two sliding sleeves corresponding to the guide columns, the connection between the driving end of the linear driving mechanism and the table board is firm, the connection strength is high, and the guiding property, flexibility, stability and reliability of the table board lifting are greatly improved, that is, the guiding property, flexibility, stability and reliability of the table board lifting are good.

[0010] Further, the linear driving mechanism is fixed in the middle of the length of the first horizontal bar of the wall, the bottom ends of the two guide columns are fixed at both ends of the length of the first horizontal bar for fixing the linear driving mechanism, the top ends of the two guide columns are fixed at both ends of the length of the second horizontal bar of the wall, the first horizontal bar and the second horizontal bar are parallel to each other, and the two guide columns are parallel to each other. With the above structure, the table board can be lifted within a certain height to meet the actual needs of users, the lifting mechanism structure is more compact to relatively save material cost, and the guiding property, flexibility, stability and reliability of the table board lifting are further improved.

[0011] Further, the linear driving mechanism comprises a nut-screw rod pair, the motor and the gear box of the linear driving mechanism are fixed at the bottom of the first horizontal bar, the output shaft of the gear box is fixed coaxially with the bottom end of the screw rod in the nut-screw rod pair through the hole of the first horizontal bar, the nut in the nut-screw rod pair is fixed with the bottom end of a support pipe, and part of the pipe body of the support pipe is fixed with the middle of the width of the support frame. With the above structure, the moving part of the linear driving mechanism is the nut screwed on the screw rod, the rotational motion of the screw rod is changed into the linear motion of the nut, the stability and reliability of the moving part are relatively good compared with the top end of the push rod of the electric push rod, and the connection between the driving mechanism and the support frame is more firm and reliable.

[0012] Further, the screw rod is provided with a torsional spring self-locking device at the lower end to prevent the table board from descending in the state that the motor is stopped and the nut is away from the bottom end of the screw rod thread. With the above structure, even if the load on the table board occasionally exceeds the maximum bearing weight of the table board, the table surface will not suddenly descend in the state that the motor is stopped and the nut is away from the bottom end of the screw rod thread, the safety of the wall-mounted lifting table is good, and the user experience is good.

[0013] Further, the bottom end of the screw rod is provided with a bearing and a bearing seat on the first horizontal bar. With the above structure, the rotation of the screw rod is more flexible, stable and reliable, and the operation noise is relatively reduced.

[0014] The utility model discloses another technical problem to be solved is to provide a kind of wall type lifting table's soundproof cabin of installation, including by soundproof door, soundproof bottom plate, soundproof top plate and three soundproof side panels constitute rectangular soundproof cabin body;Three soundproof side panels at least one soundproof side panel is hollow structure, installation has the linear drive mechanism of above-mentioned wall type lifting table, table board support frame, first sleeve structure and second sleeve structure;Two vertical boards fixed on table board support frame pass through the respective first vertical long hole of being arranged in inner soundproof board and are fixed with table board, and two vertical boards are slidably fitted in respective first vertical long hole.

[0015] Another technical solution of the utility model is to provide a kind of wall type lifting table's soundproof cabin of installation, including by soundproof door, soundproof bottom plate, soundproof top plate and three soundproof side panels constitute rectangular soundproof cabin body;Three soundproof side panels at least one soundproof side panel is hollow structure, installation has the linear drive mechanism of above-mentioned wall type lifting table, table board support frame, first sleeve structure and second sleeve structure;Two vertical boards fixed on table board support frame pass through the respective first vertical long hole of being arranged in inner soundproof board and are fixed with table board, and two vertical boards are slidably fitted in respective first vertical long hole.

[0016] After using above structure, the utility model wall type lifting table's soundproof cabin of installation has following advantages: because the linear drive mechanism of wall type lifting table of installation is all in hollow structure, and the support frame fixed with the driving end of linear drive mechanism is only fixed with table board by two vertical boards passing out long hole, so, the running noise of lifting mechanism felt in soundproof cabin is relatively small, and lifting mechanism cannot be seen in soundproof cabin, relatively beautiful, can greatly enhance or be called improve user's good experience feeling;In addition, because linear drive mechanism is fixed on two horizontal rods, lifting table board can be lifted in certain height to meet the actual needs of user, and the structure of lifting mechanism can omit the length of screw rod increased by the column and connecting bottom plate, so as to save material cost.

[0017] Further, the utility model wall type lifting table's soundproof cabin of installation, the first horizontal rod and the second horizontal rod of linear drive mechanism of wall type lifting table are fixed with two vertical rods fixed in hollow structure and soundproof cabin body frame, two long plates provided with the second vertical long hole for passing through and slidably fitting respective vertical board, respective second vertical long hole is in line with respective first vertical long hole;Long plate vertical protruding batten is same with first vertical long hole in shape, size is matched and is embedded in first vertical long hole. After using above structure, the flexibility and reliability of two vertical boards in long hole are guaranteed, and two vertical boards are slidably fitted in second vertical long hole of long plate when sliding up and down in long hole of inner soundproof board, so as to not damage first vertical long hole in inner soundproof board, and the long plate provided with second vertical long hole, such as vertical protruding batten, is long plate of plastic material with arc-shaped angle at both ends, second vertical long hole is neat, regular and smooth, and long plate is firm, good in strength and beautiful, which further improves user's good experience feeling.

[0018] Further, each second vertical long hole is slidably fitted with a strip-shaped soundproof board, each second vertical long hole has a guide slot on each side wall for the strip-shaped soundproof board to slide, the long-shaped board has a rectangular hole at the top end for the strip-shaped soundproof board to pass through and slide, and the bottom end of the strip-shaped soundproof board is fixed to the table board or the respective vertical plate. With the above structure, the excellent lifting function of the lifting mechanism is ensured, and the noise transmitted into the soundproof cabin from the first vertical long hole and the second vertical long hole is further relatively reduced.

[0019] Further, the portions of the two vertical plates passing through the second vertical long hole are detachably connected with the respective L-shaped plates, and the two L-shaped plates are fixed to the bottom surface of the table board. With the above structure, the volume of the vertical plate passing through the vertical long hole is relatively reduced to relatively reduce the width of the long hole and relatively reduce the noise passing through the long hole, and the connection strength and bearing capacity of the support frame and the table board are enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structure diagram of the preferred embodiment of the wall-mounted lifting table of the utility model Figure 1 (installed on the two horizontal rods on the wall).

[0021] Figure 2 is a structure diagram of the preferred embodiment of the wall-mounted lifting table of the utility model Figure 2 (installed on the two horizontal rods on the wall).

[0022] Figure 3 is Figure 2 an enlarged structure diagram of A in

[0023] Figure 4 is Figure 2 an exploded structure diagram of part of components in

[0024] Figure 5 is Figure 4 an enlarged structure diagram of B in

[0025] Figure 6 is a structure diagram of the preferred embodiment of the soundproof cabin provided with the wall-mounted lifting table of the utility model

[0026] Figure 7 is Figure 6 an internal structure diagram of the soundproof cabin in which the soundproof door is omitted (showing the portion above the table board of a first vertical long hole on the internal soundproof board).

[0027] Figure 8 is Figure 7 an enlarged structure diagram of C in

[0028] Figure 9 is an enlarged structure diagram of the long-shaped board in the preferred embodiment of the utility model.

[0029] Figure 10 It is the bar sound insulation board's amplification structure schematic diagram in preferred embodiment of the utility model.

[0030] As shown in the figure:

[0031] 1, table board, 11, L-shaped board;

[0032] 2, table board support frame, 21, vertical plate, 22, sliding sleeve, 23, support pipe;

[0033] 3, guide column;

[0034] 4, linear drive mechanism, 41, nut screw pair, 411, screw rod, 4111, waist-shaped column, 412, nut, 42, motor, 43, gear box, 431, output shaft, 44, torsional spring self-locking device, 441, self-locking sleeve, 4411, torsional spring stop ring, 4412, waist-shaped hole, 4413, circular body, 442, self-locking torsional spring, 4421, torsional spring body, 4422, clamping end, 443, clamping ring, 4431, clamping groove;

[0035] 51, bearing seat, 511, half seat body of hoop, 512, bolt, 513, nut, 514, pin, 52, bearing;

[0036] 6, sound insulation cabin, 61, sound insulation door, 62, sound insulation bottom plate, 63, sound insulation top plate, 64, sound insulation side plate, 641, inner sound insulation board, 6411, first vertical long hole, 642, outer sound insulation board, 643, hollow structure, 6441, first horizontal rod, 6442, second horizontal rod, 645, vertical rod;

[0037] 7, long plate, 71, vertical protruding strip plate, 711, front surface, 72, second vertical long hole, 73, arc angle, 74, bar sound insulation board. DETAILED DESCRIPTION

[0038] The specific embodiments of the utility model will be further described below in conjunction with the drawings. It needs to be declared here that the description of these specific embodiments is used to help understanding the utility model, but does not constitute the limitation to the utility model. In addition, the technical features involved in each specific embodiment of the utility model described below can be combined mutually as long as they do not conflict with each other.

[0039] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 ,Figure 9 and Figure 10 as shown.

[0040] The utility model discloses a wall-mounted lifting table and soundproof cabin, for the sake of brevity, it can also be expressed as wall-mounted lifting table and soundproof cabin installed with the wall-mounted lifting table, or wall-mounted lifting table and soundproof cabin installed with wall-mounted lifting table. The soundproof cabin is also called soundproof cabin, mute cabin, mute cabin, private cabin or private cabin, etc.

[0041] The preferred embodiment of the utility model discloses wall-mounted lifting table, including the table board 1 and the linear drive mechanism 4 fixed on the wall.

[0042] The preferred embodiment of the utility model discloses wall-mounted lifting table still includes table board support frame 2, and the moving part of linear drive mechanism 4 is fixedly connected with the width middle of table board support frame 2, and at least two vertical boards 21 on the both sides of the width of table board support frame 2 are fixedly connected with the bottom of table board 1, and the both sides of table board support frame 2 are further provided with sliding sleeve 22 or guide column 3, and the guide column 3 or sliding sleeve 22 is fixed on the wall, wherein sliding sleeve 22 and guide column 3 slide fit. Sliding sleeve 22 can be rectangular sleeve with arc angle. Guide column 3 can be rectangular pipe with arc angle. In addition, the cross section of sliding sleeve 22 and guide column 3 can also be circular, or polygon such as triangle, pentagon, hexagon, etc.

[0043] In other embodiments of wall-mounted lifting table, the moving part of linear drive mechanism 4 is fixedly connected with one side in the width direction of table board support frame 2, and at least one vertical board 21 is arranged on the other side in the width direction of table board support frame 2, and the vertical board 21 is fixedly connected with at least one part of the top, side and bottom of table board 1, and the edge or middle of table board support frame 2 is provided with sliding sleeve 22, which slide fits with guide column 3 fixed on the wall, or the edge or middle of table board support frame 2 is provided with guide column 3, which slide fits with sliding sleeve 22 fixed on the wall.

[0044] In some embodiments, the first and second socket structures can adopt guide columns and sliding sleeves, and in other embodiments, the first and second socket structures can also adopt linear bearings and guide shafts, or the first and second socket structures can also adopt moving elements and fixed elements in linear guide rails.

[0045] Linear drive mechanism 4 is fixed in the middle of the length of the first cross bar 6441 of the wall, the bottom end of the two guide columns 3 is fixed in the length of the first cross bar 6441 for fixing linear drive mechanism 4, the top end of the two guide columns 3 is fixed in the length of the second cross bar 6442 of the wall, the first cross bar 6441 and the second cross bar 6442 are parallel to each other, and the two guide columns 3 are parallel to each other. The first cross bar 6441 and the second cross bar 6442 can be rectangular pipes with arc angle. It can also be expressed as can be used.

[0046] In other embodiments, the linear drive structure 4 is fixed at one end of the length direction of the first crossbar 6441 of the wall, and the bottom end of the at least one guide column 3 is fixed at the other end of the length direction of the first crossbar 6441, and the top end of the at least one guide column 3 is fixed at the other end of the length direction of the second crossbar 6442.

[0047] The linear drive mechanism 4 includes a nut-screw pair 41, and the motor 42 and the gear box 43 of the linear drive mechanism 4 are fixed at the bottom of the first crossbar 6441, the output shaft 431 of the gear box 43 is coaxially fixed with the bottom end of the screw rod 411 in the nut-screw pair 41 through the hole of the first crossbar 6441, and the nut 412 in the nut-screw pair 41 is fixed with the bottom end of a support pipe 23 such as a rectangular support pipe, and part of the pipe body of the support pipe 23 is fixed with the middle of the width of the table board support frame. In another embodiment, the output shaft of the gear box 43 is fixedly connected with the bottom end of a longer hollow screw rod, and the inside of the hollow screw rod is provided with a screw rod, and the top end of the screw rod is fixedly connected with the table board support frame. The nut-screw pair 41 is also called a nut-screw pair.

[0048] The bottom end of the screw rod 411 is provided with a torsion spring self-locking device 44 for preventing the table board 1 from suddenly falling due to the overloading of the table board 1 when the motor 42 is stopped and the nut 412 is away from the threaded bottom end of the screw rod 411. The specific structure can be that a self-locking sleeve 441 with a torsion spring stop ring 4411 at the top is sleeved on the screw rod 411 below the nut 412, the central hole of the self-locking sleeve 441 is circumferentially and axially limited with the screw rod 411, for example, a waist-shaped hole 4412 is matched with the waist-shaped column 4111 of the screw rod 411, a torsion spring self-locking spring 442 is interference-fitted on the circular body 4413 of the self-locking sleeve 441, and the clamping end 4422 of the torsion spring body 4421 of the torsion spring self-locking spring 442 is clamped in the clamping groove 4431 of the clamping ring 443 fixed at the top end of the bearing seat 51. When the motor 42 drives the screw rod 411 to rotate in the forward and reverse directions through the gear box 43, the driving force overcomes the spring force of the torsion spring self-locking spring 442, and drives the nut 412 to linearly ascend and descend and drives the table board 1 to ascend or descend; when the motor 42 is stopped and the table board 1 is static and the nut 412 is away from the threaded bottom end of the screw rod 411, the spring force of the torsion spring self-locking spring 442 tightly holds the self-locking sleeve 441 and fixes the screw rod 411, so that even if the weight of the load on the table board 1 exceeds the maximum bearing weight of the table board 1, the screw rod 411 will not rotate to cause the table board to suddenly fall. The torsion spring self-locking device 44 is also called a torsion spring self-locking assembly.

[0049] The bottom end of the screw rod 411 and the first crossbar 6441 are provided with a bearing 52 such as a rolling bearing and a bearing seat 51, the bearing seat 51 is a bearing seat of two clamping hoop type half seats 511 fixed on the first crossbar 6441 through a plurality of bolts 512 and nuts 513 such as sunk nuts, and the two clamping hoop type half seats 511 are aligned and limited through dowels 514 and dowel holes.

[0050] The preferred embodiment of the soundproof cabin provided with the wall type lifting table comprises a rectangular soundproof cabin body 6 which is composed of a soundproof door 61, a soundproof bottom plate 62, a soundproof top plate 63 and three soundproof side plates 64.

[0051] At least one of the three soundproof side plates 64 is a hollow structure 643 with an inner soundproof plate 641 and an outer soundproof plate 642, and the first horizontal rod 6441 and the second horizontal rod 6442 of the linear driving mechanism 4 of the preferred embodiment of the wall type lifting table are fixed with two vertical rods 645 in the hollow structure 643 which are fixed with the frame of the soundproof cabin body 6.

[0052] It can be understood that all the soundproof plates described above are made of commercially available soundproof materials such as soundproof plates, and the cabin wall in the present application comprises, from the inside to the outside, sound-absorbing cotton, a metal plate, a metal frame and a carbon plate, wherein the sound-absorbing cotton and the metal plate are provided with vertical long holes, and the linear driving mechanism, the table plate support frame, the first and second sleeve structures are installed in the hollow area of the metal frame; in other embodiments, the cabin wall comprises, from the inside to the outside, sound-absorbing cotton, a frame and a soundproof plate, wherein the sound-absorbing cotton is provided with vertical long holes, and the linear driving mechanism, the table plate support frame, the first and second sleeve structures are installed in the hollow area of the frame; in other embodiments, the cabin wall comprises, from the inside to the outside, an inner cabin wall, a hollow layer and an outer cabin wall, wherein the inner cabin wall and the outer cabin wall are made of soundproof materials, the inner cabin wall is provided with vertical long holes, and the linear driving mechanism, the table plate support frame, the first and second sleeve structures are accommodated in the hollow layer.

[0053] The preferred embodiment of the soundproof cabin mounted with the wall type lifting table further comprises two long plates 7 provided with second vertical long through holes 72 for penetrating and slidingly matching the respective vertical plates 21, the respective second vertical long through holes 72 are aligned with the respective first vertical long through holes 6411, the vertical protruding strip plates 71 of the long plate 7 are the same in shape, matched in size and embedded in the first vertical long through holes 6411, and the protruding surface of the vertical protruding strip plate 71 of the long plate 7 is the surface of the long plate 7 away from the hollow structure 643. The upper and lower ends of the vertical protruding strip plate 71 of the long plate 7 can be arc-shaped corners 73 matched with the arc-shaped corners of the upper and lower ends of the first vertical long through holes 6411, and the long plate 7 can be made of plastic. The long plate 7 can be fixed on the surface of the inner soundproof plate 641 close to the hollow structure 643, that is, close to one side of the linear driving mechanism 4, and the long plate 7 can be screwed and connected in the threaded counterbores of the long plate 7 from the side of the inner soundproof plate 641 away from the table plate 1, and can also be fixed by adhesive bonding.

[0054] A strip-shaped soundproof plate 74 can be slidingly matched in each second vertical long through hole 72, and a guide groove for the sliding of the strip-shaped soundproof plate 74 can be arranged on the two side walls of each second vertical long through hole 72. The top end of the long plate 7 can be provided with a rectangular through hole for the strip-shaped soundproof plate 74 to penetrate and slide, and the bottom end of the strip-shaped soundproof plate 74 is fixed to the table plate 1 or the respective vertical plate 21. The strip-shaped soundproof plate 74 can be made of soundproof material.

[0055] It can be understood that each second vertical long through hole 72 coincides or overlaps with the respective first vertical long through hole 6411, and the width of the first vertical long through hole 6411 can be wider than that of the second vertical long through hole 72. The two vertical plates 21 are slidingly matched in the respective first vertical long through hole 6411 and the second vertical long through hole 72.

[0056] The portions of the two vertical plates 21 penetrating the second vertical long through hole 72 and the above-mentioned first vertical long through hole 6411 are detachably connected with the respective L-shaped plates 11, and the two L-shaped plates 11 are fixed to the bottom surface of the table plate 1. The vertical plate 21 and the L-shaped plate 11 are also called sheet metal parts. The size of the normal surface 711 of the vertical protruding strip plate 71 of the long plate 7 protruding from the L-shaped plate 11 can be equal to the size of the table plate 1 protruding from the normal surface 711 of the vertical protruding strip plate 71 of the long plate 7, so that the support of the table plate 1 is stronger. In addition, when the L-shaped plate 11 of the table plate 1 is fixed to the vertical plate 21 by using multiple bolts and nuts, the height of the table plate 1 away from the inner soundproof plate 641 can be higher than the height of the table plate 1 close to the inner soundproof plate 641, for example, 1° higher. In this way, even if there is an installation error or normal deformation of the material, the tabletop of the table plate 1 can also be basically kept horizontal.

[0057] The utility model discloses a wall type lifting table and a soundproof cabin provided with the wall type lifting table, and the following changes are allowed: the linear drive mechanism can also be an electric push rod and a cylinder, the driving end of the linear drive mechanism can be the free end of the electric push rod or the free end of the piston rod, the electric push rod or the cylinder can be fixed on the first horizontal rod, a rectangular connecting block can be fixed on the free end of the electric push rod or the free end of the piston rod to be fixed with the rectangular support pipe.

[0058] The fixing can be welding or using multiple screws.

[0059] The unmarked parts, structures, quantities and the like in the above description are not shown in the drawings, and some parts are not marked in the drawings. The drawings are only schematic, and if the drawings are inconsistent with the text description or inconsistent with each other, the text description shall prevail.

[0060] The above description is only the preferred embodiment of the utility model, and is not used for limiting the utility model. For those skilled in the art, the utility model can have various changes and modifications. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A wall-mounted lift table comprising a table top and a linear drive mechanism fixed to a wall, characterized in that: The wall type lifting table further comprises a table board support frame, a moving part of the linear driving mechanism is fixedly connected with the table board support frame, the table board support frame is fixedly connected with the table board, the table board support frame is provided with a first sleeving structure, and the wall is further provided with a second sleeving structure which is sleeved with the first sleeving structure and is in sliding cooperation.

2. The wall-lift table of claim 1, wherein: At least two vertical plates on both sides of the table board support frame in the width direction are fixedly connected with the bottom of the table board, and the table board support frame is further provided with sliding sleeves or guide columns on both sides, and the wall is fixedly provided with the guide columns or the sliding sleeves, wherein the sliding sleeves are in sliding cooperation with the guide columns.

3. The wall-lift table of claim 2, wherein: The linear driving mechanism is fixed in the middle of the length of the first horizontal rod of the wall, the bottom ends of the two guide columns are fixed at both ends of the length of the first horizontal rod for fixing the linear driving mechanism, the top ends of the two guide columns are fixed at both ends of the length of the second horizontal rod of the wall, the first horizontal rod and the second horizontal rod are parallel to each other, and the two guide columns are parallel to each other.

4. The wall-lift table of claim 3, wherein: The linear driving mechanism comprises a nut and screw rod pair, the motor and the gear box of the linear driving mechanism are fixed at the bottom of the first horizontal rod, the output shaft of the gear box is coaxially fixed with the bottom end of the screw rod in the nut and screw rod pair through the hole of the first horizontal rod, the nut in the nut and screw rod pair is fixed with the bottom end of a support pipe, and part of the pipe body of the support pipe is fixed with the middle of the width of the support frame.

5. The wall-lift table of claim 4, wherein: The bottom end of the screw rod is provided with a torsion spring self-locking device for preventing the table board from falling in a static state in which the motor is stopped and the nut is away from the bottom end of the screw thread of the screw rod.

6. The wall-lift table of claim 4, wherein: The bottom end of the screw rod is provided with a bearing and a bearing seat on the first horizontal rod.

7. A soundproof cabin installed with a wall lifting table, comprising a rectangular soundproof cabin body composed of a soundproof door, a soundproof bottom plate, a soundproof top plate and three soundproof side plates; characterized in that: At least one of the three soundproof side plates has a hollow structure, and is provided with the linear driving mechanism, the table board support frame, the first sleeving structure and the second sleeving structure of the wall type lifting table according to any one of claims 1-6; two vertical plates fixed on the table board support frame pass through respective first vertical long holes provided in the inner cabin wall and are fixed with the table board, and the two vertical plates are in sliding cooperation in the respective first vertical long holes.

8. The soundproof booth installed with wall-mounted lifting table according to claim 7, characterized in that: The first horizontal rod and the second horizontal rod of the linear driving mechanism of the wall type lifting table are fixed with two vertical rods fixed in the hollow structure and a soundproof cabin frame, two long plates provided with second vertical long holes for passing through and sliding cooperation with respective vertical plates, the respective second vertical long holes are aligned with the respective first vertical long holes; the vertical protruding strip plate of the long plate is the same in shape and size as the first vertical long hole and is embedded in the first vertical long hole.

9. The soundproof booth installed with wall-mounted lifting table according to claim 8, characterized in that: Each second vertical long hole is slidingly provided with a strip-shaped soundproof plate, and each second vertical long hole is provided with a guide groove on the two side walls for sliding cooperation of the strip-shaped soundproof plate, the top end of the long plate is provided with a rectangular hole for the strip-shaped soundproof plate to pass through and slide, and the bottom end of the strip-shaped soundproof plate is fixed with the table board or the respective vertical plate.

10. The soundproof booth installed with wall-mounted lifting table according to claim 8, characterized in that: The part of the two vertical plates passing through the second vertical long hole is detachably connected with the respective L-shaped plate, and the two L-shaped plates are fixed with the bottom surface of the table board.

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