Pressure relief structure of inflatable mattress

Abstract

The utility model provides a pressure relief structure of an inflatable mattress, belongs to the technical field of pressure relief of inflatable mattresses, and aims to solve the problem that automatic pressure relief is inconvenient; and when the internal pressure of the mattress reaches a specified value, warning is not convenient. Comprising a mounting cylinder; a pressure relief assembly is arranged between the guide rod and the threaded rod, and an auxiliary assembly is fixedly arranged between the outer side of the fixing disc and the outer side of the reinforcing disc. A cover plate structure is installed on the outer side of the auxiliary assembly, and a connecting assembly is fixedly arranged on the outer side of the cover plate structure. A spring piece, a pressure relief seat and a pressure relief plate are arranged, so that when the intensity of pressure in the mattress reaches a specified value, the pressure relief plate can be automatically jacked open by air pressure for automatic pressure relief; by means of the threaded rod, the threaded seat, the guide rod and the connecting frame, the distance between the threaded seat and the pressure relief seat and the distance between the guide seat and the pressure relief seat can be adjusted; automatic pressure relief is facilitated according to the pressure required by the mattress; and the phenomenon of excessive inflation can be prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of pressure relief of air mattresses, and more specifically, relates to a pressure relief structure of an air mattress. Background Art

[0002] An inflatable mattress refers to a mattress that has strong flexibility and elasticity and expands in volume after being inflated; currently, inflatable mattresses are usually inflated using an electric air pump.

[0003] The pressure relief method of existing inflatable mattresses usually requires manually opening the air outlet to relieve pressure, which is not convenient for automatic pressure relief. In addition, overinflation may occur during the inflation process. Overinflation may cause the mattress to be too hard or rupture. In addition, the current pressure relief structure is not convenient for issuing an alarm when the pressure inside the mattress reaches a specified value. It is also inconvenient for the operator to stop the electric air pump in time, reducing the practicality of the pressure relief structure. Utility Model Content

[0004] In order to solve the above technical problems, the present invention provides a pressure relief structure for an air mattress to solve the problems raised in the above background technology that it is inconvenient to automatically relieve pressure; and it is inconvenient to issue an alarm when the pressure inside the mattress reaches a specified value.

[0005] The utility model provides a pressure relief structure for an air mattress, which is achieved by the following specific technical means:

[0006] A pressure relief structure for an inflatable mattress comprises a mounting tube; a sealing ring is fixedly provided at the end of the mounting tube, and a fixing plate is fixedly provided on the outer side of the end of the mounting tube; three sets of guide rods are fixedly provided on the top of the fixing plate, a reinforcement plate is fixedly provided between the top ends of the three sets of guide rods, and a whistle is fixedly provided inside the reinforcement plate; a threaded rod is rotatably provided between the reinforcement plate and the interior of the fixing plate, and a knob is fixedly provided on the top end of the threaded rod; a set of sealing strips A is fixedly provided on the outer side of the fixing plate, and the number of sealing strips A is set to two, and another set of sealing strips A is fixedly provided on the outer side of the reinforcement plate;

[0007] A pressure relief assembly is provided between the guide rod and the threaded rod, and an auxiliary assembly is fixedly provided between the fixed plate and the outer side of the reinforcement plate; a cover plate structure is installed on the outer side of the auxiliary assembly, and a connecting assembly is fixedly provided on the outer side of the cover plate structure.

[0008] In at least some embodiments, a threaded seat is provided on the outer side of the threaded rod through a threaded connection, and a guide seat is slidably provided on the outer side of the guide rod; the number of guide seats is set to three groups, and a cross-shaped connecting frame is fixedly provided between the three groups of guide seats and the threaded seats.

[0009] In at least some embodiments, the pressure relief assembly includes: a pressure relief seat, a pressure relief plate, a sealing groove A and an auxiliary block; the number of pressure relief seats is set to four groups, and the four groups of pressure relief seats are respectively slidably arranged on the outside of the threaded rod and the guide rod, and spring members are arranged between the top of the pressure relief seat and the bottom of the guide seat and the threaded seat; the pressure relief plate is fixedly arranged between the four groups of pressure relief seats, and the bottom of the pressure relief plate is fitted with the top of the mounting tube; the sealing groove A is opened inside the bottom side of the pressure relief plate, and a sealing ring is movably arranged inside the sealing groove A; the auxiliary block is fixedly arranged on the top of the pressure relief plate.

[0010] In at least some embodiments, the auxiliary components include: a fixed cover plate, a fixed seat, a square hole and a sealing strip B; the fixed cover plate is fixedly arranged between the reinforcement plate and the fixed plate; the fixed seat is fixedly arranged on both sides of the fixed cover plate; the square hole is opened inside the fixed seat; and the sealing strip B is fixedly arranged on both sides of the fixed cover plate.

[0011] In at least some embodiments, the cover plate structure includes: a movable cover plate, a sealing groove B and a sealing groove C; the movable cover plate is movably arranged between the reinforcement plate and the fixed plate, and the movable cover plate and the fixed cover plate are symmetrically arranged; the sealing groove B is opened inside both sides of the movable cover plate, and a sealing strip B is movably arranged inside the sealing groove B; the sealing groove C is opened inside the movable cover plate, and a sealing strip A is movably arranged inside the sealing groove C.

[0012] In at least some embodiments, the cover structure further includes: a fixed column and a connecting rod; the fixed column is fixedly arranged on the outside of the movable cover; the connecting rod is slidably arranged on the outside of the fixed column, and the connecting rod is arranged as an arc structure.

[0013] In at least some embodiments, the connecting assembly includes: a connecting seat, a connecting block, a positioning block, a linkage plate and a linkage block; the connecting seat is fixedly arranged on both sides of the movable cover plate, and the connecting seat is movably arranged on the inner side of the fixed seat; the connecting block is slidably arranged inside the connecting seat, and one side of the end of the connecting block is set as a bevel structure; a spring member is provided between the connecting block and the inside of the connecting seat, and the connecting block is slidably arranged inside the square hole; the positioning block is fixedly arranged on the outside of the connecting block, and the positioning block is slidably arranged inside the connecting seat; the linkage plate is rotatably arranged on the outside of the end of the positioning block, and the linkage plate is symmetrically arranged in four groups; the linkage block is rotatably arranged between two groups of linkage plates, and the linkage block and the connecting rod are set as a fixed connection.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. In the present invention, by providing a spring member, a pressure relief seat and a pressure relief plate, when the pressure inside the mattress reaches a specified value, the air pressure automatically pushes the pressure relief plate open for automatic pressure relief; and by utilizing the threaded rod, the threaded seat, the guide rod and the connecting frame, the distance between the threaded seat, the guide seat and the pressure relief seat can be adjusted, so that the spring member between the pressure relief seat, the guide seat and the threaded seat can be compressed; the pressure applied to the pressure relief plate can be adjusted; it is beneficial to automatically relieve pressure according to the pressure required by the mattress; it can prevent the phenomenon of overinflation; and it can prevent the mattress from being too hard or breaking.

[0016] 2. In the present invention, by providing a whistle, when the gas pushes open the pressure relief plate, the gas can pass through the whistle, causing the whistle to emit a sound warning; the operator can stop the electric air pump in time, thereby enhancing the practicality of the pressure relief structure; by providing a connecting rod and a linkage block, as well as a linkage plate and a positioning block, the four groups of connecting blocks can be moved at the same time; the four groups of connecting blocks can be slid into and out of the square hole at the same time; the movable cover plate can be conveniently disassembled and installed; and the pressure relief plate and other components can be inspected and repaired; and the pressure relief plate can be pulled by the auxiliary block to manually deflate the mattress, thereby enhancing the convenience of the pressure relief structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the inner structure of the fixed cover plate of the present utility model.

[0019] Figure 3 It is a schematic diagram of the upper surface structure of the fixed disk of the utility model.

[0020] Figure 4 It is a schematic diagram of the lower surface structure of the pressure relief plate of the present utility model.

[0021] Figure 5 It is a structural schematic diagram of the movable cover of the utility model.

[0022] Figure 6 It is a structural schematic diagram of the connecting rod of the utility model.

[0023] Figure 7 It is a schematic cross-sectional structural diagram of the connecting seat of the utility model.

[0024] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0025] 1. Mounting tube; 101. Sealing ring; 102. Fixing plate; 103. Guide rod; 104. Reinforcement plate; 105. Threaded rod; 106. Whistle; 107. Guide seat; 108. Threaded seat; 109. Connecting bracket; 1010. Sealing strip A;

[0026] 2. Pressure relief assembly; 201. Pressure relief seat; 202. Pressure relief plate; 203. Sealing groove A; 204. Auxiliary block;

[0027] 3. Auxiliary components; 301. Fixed cover; 302. Fixed seat; 303. Square hole; 304. Sealing strip B;

[0028] 4. Cover plate structure; 401. Movable cover plate; 402. Sealing groove B; 403. Sealing groove C; 404. Fixed column; 405. Connecting rod;

[0029] 5. Connecting assembly; 501. Connecting seat; 502. Connecting block; 503. Positioning block; 504. Linkage plate; 505. Linkage block. DETAILED DESCRIPTION

[0030] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples.

[0031] Example 1:

[0032] As attached Figure 1 To the attached Figure 7 As shown:

[0033] The utility model provides a pressure relief structure of an inflatable mattress, comprising a mounting tube 1; a sealing ring 101 is fixedly provided at the end of the mounting tube 1, and a fixing plate 102 is fixedly provided on the outer side of the end of the mounting tube 1; three groups of guide rods 103 are fixedly provided on the top of the fixing plate 102, and a reinforcement plate 104 is fixedly provided between the tops of the three groups of guide rods 103, and a whistle 106 is fixedly provided inside the reinforcement plate 104; a threaded rod 105 is rotatably provided between the reinforcement plate 104 and the inside of the fixing plate 102, and a knob is fixedly provided on the top of the threaded rod 105; a group of sealing strips A1010 are fixedly provided on the outer side of the fixing plate 102, and The number of sealing strips A1010 is set to two groups, and the other group of sealing strips A1010 is fixedly arranged on the outside of the reinforcement plate 104; a pressure relief component 2 is arranged between the guide rod 103 and the threaded rod 105, and an auxiliary component 3 is fixedly arranged between the fixed plate 102 and the outside of the reinforcement plate 104; a cover plate structure 4 is installed on the outside of the auxiliary component 3, and a connecting component 5 is fixedly arranged on the outside of the cover plate structure 4; its specific function is: by providing a whistle 106, when the gas pushes open the pressure relief plate 202, the gas can pass through the whistle 106, causing the whistle 106 to emit a sound warning; it can enable the operator to stop the electric air pump in time.

[0034] Example 2:

[0035] As attached Figure 2 To the attached Figure 4As shown: On the basis of embodiment 1, a threaded seat 108 is provided on the outside of the threaded rod 105 through a threaded connection, and a guide seat 107 is slidably provided on the outside of the guide rod 103; the number of guide seats 107 is set to three groups, and a cross-shaped connecting frame 109 is fixedly provided between the three groups of guide seats 107 and the threaded seat 108; the pressure relief assembly 2 includes: a pressure relief seat 201, a pressure relief plate 202, a sealing groove A203 and an auxiliary block 204; the number of pressure relief seats 201 is set to four groups, and the four groups of pressure relief seats 201 are respectively slidably provided on the outside of the threaded rod 105 and the guide rod 103, and the top of the pressure relief seat 201 Spring members are provided between the guide seat 107 and the bottom of the threaded seat 108; the pressure relief plate 202 is fixedly provided between the four groups of pressure relief seats 201, and the bottom of the pressure relief plate 202 is in contact with the top of the mounting tube 1; the sealing groove A203 is provided inside the bottom side of the pressure relief plate 202, and a sealing ring 101 is movably provided inside the sealing groove A203; the auxiliary block 204 is fixedly provided on the top of the pressure relief plate 202; its specific function is: by providing the spring member, the pressure relief seat 201 and the pressure relief plate 202, when the pressure inside the mattress reaches a specified value, the air pressure automatically pushes the pressure relief plate 202 open for automatic pressure relief.

[0036] Example 3:

[0037] As attached Figure 5 To the attached Figure 7As shown: Based on the first and second embodiments, the auxiliary component 3 includes: a fixed cover plate 301, a fixed seat 302, a square hole 303 and a sealing strip B304; the fixed cover plate 301 is fixedly arranged between the reinforcement plate 104 and the fixed plate 102; the fixed seat 302 is fixedly arranged on both sides of the fixed cover plate 301; the square hole 303 is opened inside the fixed seat 302; the sealing strip B304 is fixedly arranged on both sides of the fixed cover plate 301; the cover plate structure 4 includes: a movable cover plate 401, a sealing groove B402, a sealing groove C403, a fixing column 404 and a connecting rod 405; the movable cover plate 4 01 is movably arranged between the reinforcement plate 104 and the fixed plate 102, and is symmetrically arranged between the movable cover plate 401 and the fixed cover plate 301; the sealing groove B402 is opened inside the two sides of the movable cover plate 401, and the sealing groove B402 is movably provided with a sealing strip B304; the sealing groove C403 is opened inside the movable cover plate 401, and the sealing strip A1010 is movably provided inside the sealing groove C403; the fixed column 404 is fixedly arranged on the outside of the movable cover plate 401; the connecting rod 405 is slidably arranged on the outside of the fixed column 404, and the connecting rod 405 is set to an arc structure; the connecting group Component 5 includes: a connecting seat 501, a connecting block 502, a positioning block 503, a linkage plate 504 and a linkage block 505; the connecting seat 501 is fixedly arranged on both sides of the movable cover plate 401, and the connecting seat 501 is movably arranged on the inner side of the fixed seat 302; the connecting block 502 is slidably arranged inside the connecting seat 501, and one side of the end of the connecting block 502 is set as a bevel structure; a spring member is provided between the connecting block 502 and the inside of the connecting seat 501, and the connecting block 502 is slidably arranged inside the square hole 303; the positioning block 503 is fixedly arranged on the outside of the connecting block 502, and the positioning block 503 is slidably arranged It is placed inside the connecting seat 501; the linkage plate 504 is rotatably set on the outside of the end of the positioning block 503, and the linkage plates 504 are symmetrically arranged in four groups; the linkage block 505 is rotatably set between the two groups of linkage plates 504, and the linkage block 505 and the connecting rod 405 are set to be fixedly connected; its specific function is: by providing the connecting rod 405 and the linkage block 505 and the linkage plate 504 and the positioning block 503, the four groups of connecting blocks 502 can be moved at the same time; the four groups of connecting blocks 502 can be slid into and out of the square hole 303 at the same time; the movable cover 401 can be conveniently disassembled and installed.

[0038] The specific usage and function of this embodiment are as follows:

[0039] When the air pressure in the mattress is normal, the spring element drives the pressure relief plate 202 to reset through the pressure relief seat 201, so that the sealing ring 101 slides into the sealing groove A203; when the air mattress is inflated, the threaded rod 105 is rotated, and the threaded rod 105 drives the guide seat 107 downward through the threaded seat 108, the connecting frame 109 and the guide rod 103, so that the spring element at the top of the pressure relief seat 201 is compressed to the limit, so that the pressure relief plate 202 cannot move; this is conducive to preventing the mattress from being depressurized during use; and by adjusting the threaded seat 108 and the guide seat 107 and the pressure relief seat 201 The distance between them can adjust the initial length of the spring member at the top of the pressure relief seat 201, and can adjust the pressure applied to the pressure relief plate 202; it is beneficial to control the air pressure required to push up the pressure relief plate 202; when the mattress needs to be deflated, the connecting rod 405 is pulled, and the connecting rod 405 pulls the four groups of connecting blocks 502 out of the square hole 303 at the same time through the linkage block 505, the linkage plate 504 and the positioning block 503, so that the movable cover 401 is removed and the auxiliary block 204 is used to open the mattress. Pulling the pressure relief plate 202 can deflate the mattress; when installing the movable cover plate 401, the connecting seat 501 is slid into the fixed seat 302, so that the fixed seat 302 squeezes the connecting block 502, and the connecting block 502 slides into the connecting seat 501 through the end bevel structure. When the sealing strip A1010 and the sealing strip B304 are respectively slid into the sealing groove C403 and the sealing groove B402, the spring member drives the connecting block 502 to slide into the square hole 303, so that the movable cover plate 401 is fixed.

Claims

1. A pressure relief structure for an air mattress, characterized in that: include: The mounting tube (1) is provided with a sealing ring (101) at the end of the mounting tube (1), and a fixing plate (102) is fixedly provided on the outer side of the end of the mounting tube (1); three groups of guide rods (103) are fixedly provided on the top of the fixing plate (102), and a reinforcement plate (104) is fixedly provided between the top ends of the three groups of guide rods (103), and a whistle (106) is fixedly provided inside the reinforcement plate (104); a threaded rod (105) is rotatably provided between the reinforcement plate (104) and the inside of the fixing plate (102), and a knob is fixedly provided on the top end of the threaded rod (105); a group of sealing strips A (1010) is fixedly provided on the outer side of the fixing plate (102), and the number of the sealing strips A (1010) is set to two groups, and another group of sealing strips A (1010) is fixedly provided on the outer side of the reinforcement plate (104); A pressure relief assembly (2) is provided between the guide rod (103) and the threaded rod (105), and an auxiliary assembly (3) is fixedly provided between the outer sides of the fixed plate (102) and the reinforcement plate (104); a cover plate structure (4) is installed on the outer side of the auxiliary assembly (3), and a connecting assembly (5) is fixedly provided on the outer side of the cover plate structure (4).

2. The pressure relief structure of an air mattress according to claim 1, characterized in that: The outer side of the threaded rod (105) is provided with a threaded seat (108) through a threaded connection, and the outer side of the guide rod (103) is provided with a guide seat (107) for sliding. The number of the guide seats (107) is set to three groups, and a cross-shaped connecting frame (109) is fixedly provided between the three groups of guide seats (107) and the threaded seats (108).

3. The pressure relief structure of an air mattress according to claim 2, characterized in that: The pressure relief assembly (2) comprises: a pressure relief seat (201), a pressure relief plate (202), a sealing groove A (203) and an auxiliary block (204); the number of the pressure relief seats (201) is set to four groups, and the four groups of pressure relief seats (201) are respectively slidably arranged on the outside of the threaded rod (105) and the guide rod (103), and spring members are arranged between the top of the pressure relief seat (201) and the bottom of the guide seat (107) and the threaded seat (108); the pressure relief plate (202) is fixedly arranged between the four groups of pressure relief seats (201), and the bottom of the pressure relief plate (202) is in contact with the top of the mounting tube (1); the sealing groove A (203) is opened inside the bottom side of the pressure relief plate (202), and a sealing ring (101) is movably arranged inside the sealing groove A (203); the auxiliary block (204) is fixedly arranged on the top of the pressure relief plate (202).

4. The pressure relief structure of an air mattress according to claim 1, characterized in that: The auxiliary component (3) comprises: a fixed cover plate (301), a fixed seat (302), a square hole (303) and a sealing strip B (304); the fixed cover plate (301) is fixedly arranged between the reinforcement plate (104) and the fixed plate (102); the fixed seat (302) is fixedly arranged on both sides of the fixed cover plate (301); the square hole (303) is opened inside the fixed seat (302); and the sealing strip B (304) is fixedly arranged on both sides of the fixed cover plate (301).

5. The pressure relief structure of an air mattress according to claim 4, characterized in that: The cover plate structure (4) comprises: a movable cover plate (401), a sealing groove B (402) and a sealing groove C (403); the movable cover plate (401) is movably arranged between the reinforcement plate (104) and the fixed plate (102), and the movable cover plate (401) and the fixed cover plate (301) are symmetrically arranged; the sealing groove B (402) is opened inside both sides of the movable cover plate (401), and a sealing strip B (304) is movably arranged inside the sealing groove B (402); the sealing groove C (403) is opened inside the movable cover plate (401), and a sealing strip A (1010) is movably arranged inside the sealing groove C (403).

6. The pressure relief structure of an air mattress according to claim 5, characterized in that: The cover plate structure (4) further comprises: a fixed column (404) and a connecting rod (405); the fixed column (404) is fixedly arranged on the outside of the movable cover plate (401); the connecting rod (405) is slidably arranged on the outside of the fixed column (404), and the connecting rod (405) is arranged as an arc structure.

7. The pressure relief structure of an air mattress according to claim 6, characterized in that: The connecting assembly (5) comprises: a connecting seat (501), a connecting block (502), a positioning block (503), a linkage plate (504) and a linkage block (505); the connecting seat (501) is fixedly arranged on both sides of the movable cover plate (401), and the connecting seat (501) is movably arranged inside the fixed seat (302); the connecting block (502) is slidably arranged inside the connecting seat (501), and one side of the end of the connecting block (502) is arranged as a bevel structure; a space is provided between the connecting block (502) and the inside of the connecting seat (501). The spring member is provided, and the connecting block (502) is slidably arranged inside the square hole (303); the positioning block (503) is fixedly arranged outside the connecting block (502), and the positioning block (503) is slidably arranged inside the connecting seat (501); the linkage plate (504) is rotatably arranged outside the end of the positioning block (503), and the linkage plates (504) are symmetrically arranged in four groups; the linkage block (505) is rotatably arranged between the two groups of linkage plates (504), and the linkage block (505) and the connecting rod (405) are arranged to be fixedly connected.

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