Sound insulation pad structure

Abstract

The utility model relates to the technical field of rail transit, in particular to a sound insulation pad structure which comprises a sound insulation cover, a sound insulation bottom frame, a fixing frame, an auxiliary mechanism, two pieces of sound insulation cotton, a sound insulation pad body, a sound absorption block, a hinge piece, a fixing piece, a limiting block and a plurality of convex blocks. The auxiliary mechanism comprises a first spring, a connecting rod, two supporting blocks and an elastic fixing piece, the first spring is arranged in the limiting groove, the connecting rod is rotationally connected with the corresponding supporting block, the connecting rod is further hinged to the elastic fixing piece, the two supporting blocks are fixedly connected with the fixing frame, and the elastic fixing piece is arranged in the movable groove; and the elastic fixing pieces are connected with the limiting blocks in an inserted mode, the sound insulation bottom frame can be rapidly moved to the low position from the high position of the fixing frame through the first springs, and therefore the effect of rapidly adjusting the sound insulation bottom frame is achieved, and meanwhile the sound insulation bottom frame can be rapidly fixed when located at the high position through the elastic fixing pieces.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation, in particular to a sound insulation pad structure. Background Art

[0002] With the construction of urban modernization, the subway has gradually become a symbol of urban modernization. The construction of the subway has alleviated the pressure of urban transportation and brought great convenience to people's travel. In addition, the subway will generate corresponding noise during driving. Therefore, sound insulation components are set at intervals to absorb and block noise. In order to ensure effective sound insulation quality, the sound insulation pads in the sound insulation components need to be replaced regularly. At present, during the construction process, the installation of sound insulation components is usually fixed on the wall, which makes it inconvenient to replace the sound insulation pads, affects the work efficiency of workers, and leads to high limitations in use.

[0003] The prior art patent CN214775878U discloses a sound insulation pad assembly for subways, including a fixing frame, an adjusting screw, a sound insulation base frame, a sound insulation pad, a sound insulation cover and four groups of fixing bolts. The adjusting screw is rotatably installed on the fixing frame, and the bottom end of the adjusting screw is set with an adjusting handwheel. Two groups of guide shafts are symmetrically arranged on the fixing frame, and two groups of connecting plates are connected to the sound insulation base frame. Sound insulation cotton is connected to the left and right ends of the sound insulation pad. The sound insulation pad is detachably installed on the sound insulation base frame, and the sound insulation cover is a detachable cover installed on the sound insulation base frame. The sound insulation cover is provided with multiple groups of sound absorbing holes, and the multiple groups of sound absorbing holes are filled with sound absorbing blocks. Four groups of countersunk holes are provided on the fixing frame, and the fixing frame is fixedly installed on the wall by the cooperation of four groups of fixing bolts and the countersunk holes. This design can make the replacement of the sound insulation pad more convenient, effectively improve the work efficiency of workers, and reduce the limitations of use.

[0004] However, in the above-mentioned prior art, the height of the sound insulation chassis is adjusted by adjusting the hand wheel and the threaded transmission of the connecting plate. Since this threaded connection method is very laborious for manual adjustment, it is not convenient to quickly adjust the sound insulation chassis. Utility Model Content

[0005] The purpose of the utility model is to provide a sound insulation pad structure, aiming to solve the technical problem in the prior art that the height of the sound insulation base frame is adjusted by adjusting the hand wheel and the threaded transmission of the connecting plate. Since this threaded connection method is very laborious for manual adjustment, it is not convenient to quickly adjust the sound insulation base frame.

[0006] To achieve the above-mentioned purpose, the utility model adopts a sound insulation pad structure, including a sound insulation cover, a sound insulation base frame, a fixing frame and an auxiliary mechanism, two sound insulation cottons, a sound insulation pad body and a sound absorbing block are arranged between the sound insulation cover and the sound insulation base frame, a hinge is connected to the bottom of the sound insulation cover and the sound insulation base frame, a fixing member is connected to the top of the sound insulation cover and the sound insulation base frame, a limiting block and a plurality of convex blocks are arranged on the back of the sound insulation base frame, the end surface of the fixing frame is provided with a limiting groove and two convex grooves, the inner bottom of the limiting groove is connected with a movable groove, one end of the movable groove is connected with an L-shaped cavity, the two convex blocks are respectively slidably connected with the fixing frame and are located in the corresponding convex grooves, the limiting block is fixedly connected with the fixing frame and is located in the limiting groove, and the auxiliary mechanism The structure includes a first spring, a connecting rod, two support blocks and an elastic fixing part, a pulling rod is rotatably arranged at one end of the connecting rod, the first spring is arranged in the limiting groove and abuts against the top of the limiting block, the connecting rod is rotatably connected to the corresponding support block and is located between the two support blocks and also in the L-shaped cavity, the connecting rod is also hinged to the elastic fixing part and is located at one end of the elastic fixing part, and the pulling rod is located in the L-shaped cavity and passes through the end face of the fixing frame, the two support blocks are respectively fixedly connected to the fixing frame and are located in the L-shaped cavity, the elastic fixing part is arranged in the movable groove, and the elastic fixing part is plugged into the limiting block and is located on the outside of the limiting block and also passes through both ends of the movable groove.

[0007] Among them, the auxiliary mechanism also includes a positioning rod and a handle, the limit block has a through groove, the positioning rod is fixedly connected to the fixing frame and is located in the limit groove, and the limit block is slidably connected to the positioning rod and is sleeved on the positioning rod, the first spring is sleeved on the positioning rod, and the handle is fixedly connected to the pull rod and is located at one end of the pull rod.

[0008] In which, the elastic fixing part includes a limiting ring, a second spring and a fixing rod, one end of the fixing rod is provided with a round head, the limiting ring is fixedly connected to the fixing rod and is located on the fixing rod, the limiting ring is also slidably connected to the fixing frame and is located in the movable groove, the second spring is sleeved on the fixing rod and abuts between the movable groove and the limiting ring, the fixing rod is slidably connected to the fixing frame and is located in the movable groove, and passes through one end of the movable groove, the fixing rod is also plugged into the limiting block and is located on the outside of the limiting block, and the connecting rod is also hinged to the fixing rod and is located at the other end of the fixing rod.

[0009] Among them, the sound insulation pad structure also includes a limiting plate and a plurality of fixing bolts, a buffer pad is arranged on the limiting plate, the limiting plate is fixedly connected to the fixing frame and is located on the end face of the fixing frame, and is also located between the sound insulation base frame and the pulling rod, and the plurality of fixing bolts are respectively arranged in the fixing frame.

[0010] Wherein, the hinged part includes a hinge block and two hinged seats, the hinge block is hinged to the corresponding hinged seat and is located between the two hinged seats, the hinge block is also fixedly connected to the sound insulation cover and is located below the sound insulation cover, and the two hinged seats are respectively fixedly connected to the sound insulation base frame and are located below the sound insulation base frame.

[0011] Wherein, the fixing part includes an active buckle, two fixed blocks and a clamping block, the active buckle is rotatably connected to the corresponding fixed block and is located between the two fixed blocks, the buckle is also buckled with the clamping block and sleeved on the clamping block, the two fixed blocks are respectively fixedly connected to the sound insulation cover and are located above the sound insulation cover, and the clamping block is fixedly connected to the sound insulation base frame and is located above the sound insulation base frame.

[0012] The utility model discloses a sound insulation pad structure, comprising a sound insulation cover, a sound insulation base frame, a fixing frame, an auxiliary mechanism, two sound insulation cottons, a sound insulation pad body, a sound absorbing block, a hinge, a fixing member, a limit block and a plurality of convex blocks, the end surface of the fixing frame is provided with a limit groove and two convex grooves, the inner bottom of the limit groove is connected with a movable groove, one end of the movable groove is connected with an L-shaped cavity, the auxiliary mechanism comprises a first spring, a connecting rod, two support blocks and an elastic fixing member, one end of the connecting rod is rotatably provided with a pulling rod, the first spring is provided in the limit groove and abuts against Above the limit block, the connecting rod is rotatably connected to the corresponding support block, and the connecting rod is also hinged to the elastic fixing piece. The two support blocks are respectively fixedly connected to the fixing frame. The elastic fixing piece is arranged in the movable groove, and the elastic fixing piece is plugged into the limit block. The first spring can make the sound insulation frame quickly move from a high position to a low position of the fixing frame, thereby achieving the effect of quickly adjusting the sound insulation frame. At the same time, the elastic fixing piece can facilitate the quick fixation of the sound insulation frame when it is at a high position. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a front view of the first embodiment of the utility model.

[0015] Figure 2 The utility model Figure 1 Section view along line AA.

[0016] Figure 3 The utility model Figure 2 A partial enlarged view of point B in the middle.

[0017] Figure 4 The utility model Figure 1 Sectional view along the CC line.

[0018] Figure 5 It is a three-dimensional stereogram of the second embodiment of the utility model.

[0019] Figure 6 The utility model Figure 5 A partial enlarged view of point D in the middle.

[0020] Figure 7 It is a bottom view of the second embodiment of the utility model.

[0021] 101-soundproof cover, 102-soundproof base frame, 103-fixed frame, 104-soundproof cotton, 105-soundproof pad body, 106-sound-absorbing block, 107-hinged part, 108-fixed part, 109-limiting block, 110-convex block, 111-limiting groove, 112-convex groove, 113-movable groove, 114-L-shaped cavity, 115-first spring, 116-connecting rod, 11 7-support block, 118-pull rod, 119-positioning rod, 120-handle, 121-through groove, 122-limiting ring, 123-second spring, 124-fixing rod, 125-round head, 201-limiting plate, 202-fixing bolt, 203-buffer pad, 204-hinge block, 205-hinge seat, 206-movable buckle, 207-fixing block, 208-block. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] First embodiment:

[0024] See also Figure 1 to Figure 4 ,in Figure 1 This is a front view of the first embodiment of the utility model. Figure 2 The utility model Figure 1 The cross-sectional view along the AA line. Figure 3 The utility model Figure 2 A partial enlarged view of point B in the middle. Figure 4 The utility model Figure 1 Sectional view along the CC line.

[0025] The utility model provides a sound insulation pad structure, including a sound insulation cover 101, a sound insulation base frame 102, a fixing frame 103 and an auxiliary mechanism, wherein the auxiliary mechanism includes a first spring 115, a connecting rod 116, two supporting blocks 117, an elastic fixing member 108, a positioning rod 119 and a handle 120, and the elastic fixing member 108 includes a limiting ring 122, a second spring 123 and a fixing rod 124. The above-mentioned scheme solves the technical problem that the height of the sound insulation base frame 102 is adjusted by adjusting the hand wheel and the connecting plate threaded transmission, and this threaded connection method is very laborious for manual adjustment, thereby making it inconvenient to quickly adjust the sound insulation base frame 102.

[0026] According to this specific embodiment, two sound insulation cottons 104, a sound insulation pad body 105 and a sound absorbing block 106 are arranged between the sound insulation cover 101 and the sound insulation base frame 102, a hinge 107 is connected to the bottom of the sound insulation cover 101 and the sound insulation base frame 102, a fixing member 108 is connected to the top of the sound insulation cover 101 and the sound insulation base frame 102, a limiting block 109 and a plurality of convex blocks 110 are arranged on the back of the sound insulation base frame 102, and the end surface of the fixing frame 103 is provided with a limiting groove 111 and two convex grooves 112, the inner bottom of the limiting groove 111 is connected with a movable groove 113, one end of the movable groove 113 is connected with an L-shaped cavity 114, and the two convex blocks 110 are connected to each other. They are respectively slidably connected to the fixing frame 103 and are located in the corresponding convex groove 112. The limiting block 109 is fixedly connected to the fixing frame 103 and is located in the limiting groove 111. The sound insulation cotton 104 can reduce the transmission of sound, and the sound absorption performance of the material is used to consume the sound wave energy, thereby reducing noise; the sound insulation pad body 105 can reduce structural sound transmission and can effectively prevent sound from propagating through the ground or wall. The sound absorbing block 106 can absorb sound waves within a specific frequency range, especially medium and high frequency noise, to reduce echoes and resonance and improve sound quality; the surface of the sound absorbing material usually has many pores, which can help convert sound energy into heat energy, thereby achieving the effect of noise reduction.

[0027] Among them, a pulling rod 118 is rotatably provided at one end of the connecting rod 116, the first spring 115 is arranged in the limiting groove 111 and abuts against the top of the limiting block 109, the connecting rod 116 is rotatably connected to the corresponding supporting block 117, and is located between the two supporting blocks 117, and is also located in the L-shaped cavity 114, the connecting rod 116 is also hinged to the elastic fixing piece 108, and is located at one end of the elastic fixing piece 108, and the pulling rod 118 is located in the L-shaped cavity 114 and passes through the end surface of the fixing frame 103, the two supporting blocks 117 are respectively fixedly connected to the fixing frame 103, and are located in the L-shaped cavity 114, the elastic fixing piece 108 is arranged in the movable groove 113, and the elastic fixing piece 108 is plugged into the limiting block 109 and is located at the limiting block 109, and also passes through the two ends of the movable groove 113. When the elastic fixing piece 108 is disengaged from the limit block 109, the limit block 109 is quickly pushed from the high position of the fixing frame 103 to the low position through the first spring 115, so as to quickly adjust the sound insulation base frame 102. The setting of the connecting rod 116 and the two supporting blocks 117 can facilitate the pulling of the elastic fixing piece 108, so as to move it out of the limit block 109. It should be noted that the movement mode between the connecting rod 116 and the two supporting blocks 117 is the same as the movement mode of the seesaw in the prior art. The elastic fixing piece 108 fixes the limit block 109 by means of spring support, and the pulling rod 118 can facilitate the pulling of the end of the connecting rod 116 away from the elastic fixing piece 108.

[0028] Secondly, the limit block 109 has a through groove 121, the positioning rod 119 is fixedly connected to the fixing frame 103 and is located in the limit groove 111, and the limit block 109 is slidably connected to the positioning rod 119 and is sleeved on the positioning rod 119, the first spring 115 is sleeved on the positioning rod 119, the handle 120 is fixedly connected to the pulling rod 118 and is located at one end of the pulling rod 118, the positioning rod 119 can prevent the first spring 115 from bending or displacement, and the handle 120 can facilitate the pulling rod 118 to be quickly pulled out from one end of the L-shaped groove.

[0029] Again, a round head 125 is provided at one end of the fixing rod 124, the limiting ring 122 is fixedly connected to the fixing rod 124 and is located on the fixing rod 124, the limiting ring 122 is also slidably connected to the fixing frame 103 and is located in the movable groove 113, the second spring 123 is sleeved on the fixing rod 124 and abuts between the movable groove 113 and the limiting ring 122, the fixing rod 124 is slidably connected to the fixing frame 103 and is located in the movable groove 113, and passes through one end of the movable groove 113. end, the fixing rod 124 is also connected with the limiting block 109 and is located on the outside of the limiting block 109, the connecting rod 116 is also hinged with the fixing rod 124 and is located on the other end of the fixing rod 124, and the setting of the limiting ring 122 and the second spring 123 can improve the tightness between the fixing rod 124 and the limiting block 109, and the round head 125 can be automatically inserted into the limiting block 109 when the sound insulation base frame 102 moves to the high place of the fixing frame 103, so as to play a fixing role.

[0030] When the utility model is used to replace the sound insulation pad body 105, the handle 120 is pulled to drive the pull rod 118 to move, and the pull rod 118 pulls the connecting rod 116. Under the action of the two supporting blocks 117, the connecting rod 116 causes the fixing rod 124 located at one end of the connecting rod 116 away from the pulling rod 118 to move out from the limiting block 109. The limiting block 109 is acted upon by the first spring 115 to quickly adjust from the height of the fixing frame 103. The sound insulation cover 101 is opened by the fixing member 108 and the hinge 107, and the sound insulation pad body 105 is replaced. When the replacement is completed, the sound insulation cover 101 is fixed to the sound insulation base frame 102 by the fixing member 108 and the hinge 107, and then the sound insulation base frame 102 is pushed to the height of the fixing frame 103, so that the fixing rod 124 is inserted into the limit block 109 through the round head 125 under the action of the second spring 123, thereby playing a role of quick fixing.

[0031] The second embodiment is:

[0032] Based on the first embodiment, please refer to Figure 5 to Figure 7 ,in Figure 5 It is a three-dimensional stereogram of the second embodiment of the utility model. Figure 6 The utility model Figure 5 A partial enlarged view of point D in the middle. Figure 7 It is a bottom view of the second embodiment of the utility model.

[0033] The utility model provides a sound insulation pad structure, which also includes a limit plate 201 and a plurality of fixing bolts 202 , the hinge 107 includes a hinge block 204 and two hinge seats 205 , and the fixing member 108 includes a movable buckle 206 , two fixing blocks 207 and a clamping block 208 .

[0034] According to this specific embodiment, a buffer pad 203 is provided on the limit plate 201. The limit plate 201 is fixedly connected to the fixing frame 103 and is located on the end surface of the fixing frame 103. It is also located between the sound insulation base frame 102 and the pulling rod 118. A plurality of fixing bolts 202 are respectively arranged in the fixing frame 103. Through the buffer pad 203, a buffering effect can be played when the sound insulation base frame 102 moves downward.

[0035] Among them, the hinge block 204 is hinged to the corresponding hinge seat 205 and is located between the two hinge seats 205. The hinge block 204 is also fixedly connected to the sound insulation cover 101 and is located below the sound insulation cover 101. The two hinge seats 205 are respectively fixedly connected to the sound insulation base frame 102 and are located below the sound insulation base frame 102. Through the arrangement of the hinge block 204 and the hinge seat 205, the sound insulation cover 101 can be easily opened from the end face of the sound insulation base frame 102, thereby facilitating the replacement of the sound insulation pad body 105.

[0036] Secondly, the movable buckle 206 is rotatably connected to the corresponding fixed block 207 and is located between the two fixed blocks 207. The buckle is also buckled with the card block 208 and is sleeved on the card block 208. The two fixed blocks 207 are respectively fixedly connected to the sound insulation cover 101 and are located above the sound insulation cover 101. The card block 208 is fixedly connected to the sound insulation base frame 102 and is located above the sound insulation base frame 102. The sound insulation cover 101 and the sound insulation base frame 102 can be easily fixed by the movable buckle 206, the fixed block 207 and the card block 208, thereby improving the tightness between the sound insulation pad, the sound insulation base frame 102 and the sound insulation cover 101.

[0037] A sound insulation pad structure of the present embodiment is used. The buffer pad 203 can play a buffering role when the sound insulation base frame 102 moves downward. The arrangement of the hinge block 204 and the hinge seat 205 can facilitate the opening of the sound insulation cover 101 from the end face of the sound insulation base frame 102, thereby facilitating the replacement of the sound insulation pad body 105. The movable buckle 206, the fixing block 207 and the clamping block 208 can facilitate the fixing of the sound insulation cover 101 and the sound insulation base frame 102, thereby improving the tightness between the sound insulation pad, the sound insulation base frame 102 and the sound insulation cover 101.

[0038] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A sound insulation pad structure, comprising a sound insulation cover, a sound insulation base frame and a fixing frame, two sound insulation cottons, a sound insulation pad body and a sound absorbing block are arranged between the sound insulation cover and the sound insulation base frame, a hinge is connected to the bottom of the sound insulation cover and the sound insulation base frame, a fixing is connected to the top of the sound insulation cover and the sound insulation base frame, a limiting block and a plurality of convex blocks are arranged on the back of the sound insulation base frame, an end surface of the fixing frame is provided with a limiting groove and two convex grooves, an inner bottom of the limiting groove is connected with a movable groove, one end of the movable groove is connected with an L-shaped cavity, the two convex blocks are respectively slidably connected with the fixing frame and are located in the corresponding convex grooves, the limiting block is fixedly connected with the fixing frame and is located in the limiting groove, characterized in that It also includes auxiliary institutions; The auxiliary mechanism includes a first spring, a connecting rod, two support blocks and an elastic fixing piece. A pulling rod is rotatably provided at one end of the connecting rod. The first spring is arranged in the limiting groove and abuts against the top of the limiting block. The connecting rod is rotatably connected to the corresponding support block and is located between the two support blocks and also in the L-shaped cavity. The connecting rod is also hinged to the elastic fixing piece and is located at one end of the elastic fixing piece. The pulling rod is located in the L-shaped cavity and passes through the end face of the fixing frame. The two support blocks are respectively fixedly connected to the fixing frame and are located in the L-shaped cavity. The elastic fixing piece is arranged in the movable groove, and the elastic fixing piece is plugged into the limiting block and is located on the outside of the limiting block and also passes through both ends of the movable groove.

2. The sound insulation pad structure according to claim 1, characterized in that: The auxiliary mechanism also includes a positioning rod and a handle. The limiting block has a through groove. The positioning rod is fixedly connected to the fixing frame and is located in the limiting groove. The limiting block is slidably connected to the positioning rod and is sleeved on the positioning rod. The first spring is sleeved on the positioning rod. The handle is fixedly connected to the pulling rod and is located at one end of the pulling rod.

3. The sound insulation pad structure according to claim 2, characterized in that: The elastic fixing part includes a limiting ring, a second spring and a fixing rod, one end of the fixing rod is provided with a round head, the limiting ring is fixedly connected to the fixing rod and is located on the fixing rod, the limiting ring is also slidably connected to the fixing frame and is located in the movable groove, the second spring is sleeved on the fixing rod and abuts between the movable groove and the limiting ring, the fixing rod is slidably connected to the fixing frame and is located in the movable groove and passes through one end of the movable groove, the fixing rod is also plugged into the limiting block and is located on the outside of the limiting block, and the connecting rod is also hinged to the fixing rod and is located at the other end of the fixing rod.

4. The sound insulation pad structure according to claim 3, characterized in that: The sound insulation pad structure also includes a limit plate and a plurality of fixing bolts. A buffer pad is arranged on the limit plate. The limit plate is fixedly connected to the fixing frame and is located on the end surface of the fixing frame and is also located between the sound insulation base frame and the pulling rod. The plurality of fixing bolts are respectively arranged in the fixing frame.

5. The sound insulation pad structure according to claim 4, characterized in that: The hinged component includes a hinge block and two hinge seats. The hinge block is hinged to the corresponding hinge seats and is located between the two hinge seats. The hinge block is also fixedly connected to the sound insulation cover and is located below the sound insulation cover. The two hinge seats are respectively fixedly connected to the sound insulation base frame and are located below the sound insulation base frame.

6. The sound insulation pad structure according to claim 5, characterized in that: The fixing part includes an active buckle, two fixed blocks and a clamping block. The active buckle is rotatably connected to the corresponding fixed block and is located between the two fixed blocks. The buckle is also buckled with the clamping block and sleeved on the clamping block. The two fixed blocks are respectively fixedly connected to the sound insulation cover and are located above the sound insulation cover. The clamping block is fixedly connected to the sound insulation base frame and is located above the sound insulation base frame.

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