Novel fast-assembly air pump

Abstract

The utility model relates to a novel fast-assembly air pump, which belongs to the technical field of automobile seats and comprises a pump head assembly, a motor assembly, a motor assembly, a motor assembly, a motor assembly, a motor assembly, a motor assembly, a motor assembly, a motor assembly and an air pump assembly, and is characterized in that the lower end of the pump head assembly is provided with at least one pre-assembly structure; a matching structure is arranged at the position, corresponding to the pump head assembly, of the motor assembly, the matching structure is matched with the preassembling structure, and the motor assembly is fixedly connected with the pump head assembly through at least one fixing piece; the motor assembly is mounted in the motor shield; the air pump is provided with three main parts including the pump head assembly, the motor assembly and the motor shield, the pump head assembly and the motor assembly are positioned and quickly connected through a preassembling structure and a matching structure, in addition, the motor assembly is installed in the motor shield, modular design is achieved, independent manufacturing and pre-assembling of all the parts are facilitated, the overall structural layout is reasonable, and cost is low. Rapid assembling can be achieved, and the assembling efficiency and the overall performance stability of the air pump can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile seat, concretely relates to a gas pump structure for automobile seat comfort system. BACKGROUND

[0002] In prior art, the gas pump assembly of the special gas pump for pneumatic waist support disclosed in the patent 2018109710610 is first assembled by the motor and the pump head shell (the shell is fixed with the motor through internal screws), then the eccentric wheel, the membrane cavity, the gas pump upper cover are assembled, and finally the spring clip is used to fix and install, so that the assembly process is complex and the production efficiency is low. UTILITY MODEL CONTENT

[0003] The utility model discloses to solve the problems in the prior art, provide a novel quick -wearing gas pump, and the device solves the inconvenient problem of existing gas pump installation.

[0004] To solve the above problems, the following technical scheme is provided:

[0005] The utility model discloses a novel quick -wearing gas pump, include: pump head assembly, its lower extreme is equipped with at least one pre -assembled structure, the pre -assembled structure is used for with motor assembly positioning and connection, motor assembly, with the corresponding position of pump head assembly is equipped with cooperation structure, cooperation structure and pre -assembled structure are adapted to, and motor assembly is fixedly connected with pump head assembly through at least one fixed part, motor shield, motor assembly installs in motor shield.

[0006] The gas pump has three main parts of the pump head assembly, the motor assembly and the motor shield, the pump head assembly and the motor assembly are positioned and quickly connected through the pre-assembled structure and the cooperation structure, in addition, the motor assembly is installed in the motor shield, realizes the modular design, is convenient for individual manufacture and pre-assembly of each part, the overall structure layout is reasonable, can realize quick assembly, is favorable for improving the assembly efficiency and overall performance stability of the gas pump.

[0007] The pre-assembled structure is a buckle, and the buckle is at least two and symmetrically arranged on the pump head assembly, and the cooperation structure is a clamping groove connected with the buckle.

[0008] At least two symmetrical buckles are arranged as the pre-assembled structure, and the clamping groove adapted thereto is arranged as the cooperation structure, and the structure design makes the pump head assembly and the motor assembly accurately and quickly positioned when assembling, the cooperation mode of the buckle and the clamping groove is simple and effective, the reliability of connection is guaranteed, the assembly efficiency is further improved, and symmetrical arrangement is favorable for maintaining the overall balance after assembly.

[0009] The motor shield is internally provided with a mounting plate, and the inner wall of the motor shield is provided with a clamping block for limiting the mounting plate, and the motor assembly is integrated on the mounting plate.

[0010] The mounting plate is arranged in the motor shield, and the position of the mounting plate is limited by the clamping block on the inner wall of the motor shield, and the motor assembly is integrated on the mounting plate, so that the installation of the motor assembly is more convenient and stable; during assembly, the mounting plate only needs to be inserted into the motor shield, and the abutment of the clamping block and the mounting plate can realize the fixation of the motor assembly, thereby simplifying the assembly steps of the motor assembly and the motor shield, and facilitating the maintenance and replacement of the motor assembly.

[0011] The pump head assembly comprises a top cover, a diaphragm cavity body and a bottom shell, a plurality of first recesses are formed at one end of the top cover, the bottom shell is provided with a second recess, a strip-shaped groove is formed on the outer wall of the diaphragm cavity body for connecting the first recess and the second recess, and a spring strip is arranged in the strip-shaped groove, and the two ends of the spring strip are provided with clamping hooks matched with the first recess and the second recess respectively.

[0012] The pump head assembly is composed of a top cover, a diaphragm cavity body and a bottom shell, the first recess, the strip-shaped groove and the second recess are arranged on the top cover, the diaphragm cavity body and the bottom shell respectively, and the spring strip and the clamping hook are used for clamping and fixing, so that the quick assembly of the internal components of the pump head assembly is realized, the complex connection process is not needed, and the assembly difficulty is reduced; the spring strip clamping mode also has a certain elastic buffering effect, which can reduce the vibration and noise of the pump head assembly to a certain extent during work, and the stability and reliability of the pump head assembly are improved.

[0013] At least one mounting hole is formed on the mounting plate, the fixing member is a screw, and a screw hole matched with the screw is formed on the bottom of the bottom shell, and the mounting plate and the bottom shell are fixedly connected through the cooperation of the screw and the screw hole.

[0014] The mounting hole is formed on the mounting plate, the screw hole is arranged on the bottom shell, and the mounting plate and the bottom shell are fixedly connected through the cooperation of the screw and the screw hole, and the fixing mode is simple and reliable, which can effectively connect the motor assembly and the pump head assembly together, ensure that the power generated by the motor during work can be stably transmitted to the pump head assembly, ensure the normal operation of the air pump, and facilitate disassembly and maintenance.

[0015] The strip-shaped grooves are formed around the diaphragm cavity body, the first recesses communicated with the strip-shaped grooves are formed around the top cover, the second recesses communicated with the strip-shaped grooves are formed around the bottom shell, and the first recesses, the strip-shaped grooves and the second recesses are clamped by the spring strips after the top cover, the diaphragm cavity body and the bottom shell are assembled.

[0016] The diaphragm cavity body has a partition plate, so that the diaphragm cavity body is divided into an air inlet cavity and an air outlet cavity, the air inlet cavity is provided with an air inlet channel and a rotating disc, the air inlet channel extends through the partition plate to the air outlet cavity, and the rotating disc is provided with a plurality of leather cups on one side close to the partition plate, a plurality of through holes are arranged on the partition plate corresponding to each leather cup, and a diaphragm is arranged on each through hole.

[0017] The motor assembly comprises a motor, the output shaft of the motor is connected with a connecting rod, the other end of the connecting rod is connected with the rotating disc through a rotating rod, and the rotating disc is arranged on the top cover.

[0018] The diaphragm cavity body is provided with an air inlet, and the air inlet is communicated with the air inlet cavity, the top cover is provided with an air outlet, and the air outlet is communicated with the air outlet cavity.

[0019] The pressure relief port is arranged on the pump head assembly, and the pressure relief port is communicated with the air outlet cavity, and the pressure relief port is provided with a pressure relief valve.

[0020] The air inlet and the air outlet arranged on the top cover meet the basic functional requirements of the air pump, and the pressure relief valve arranged on the pressure relief port can be automatically opened to release excess pressure when the output gas pressure of the air pump is too high, so as to prevent the air pump and the connected pipeline and other related components from being damaged due to excessive internal pressure of the air pump, and to protect the safety of the air pump system, and also to adapt the air pump to pressure changes under different working conditions and ensure stable and safe operation of the air pump.

[0021] The above scheme has the following advantages:

[0022] 1. The novel quick-mounting air pump comprises a pump head assembly, at least one pre-mounting structure is arranged at the lower end of the pump head assembly, the pre-mounting structure is used for positioning and connecting with a motor assembly, the motor assembly is provided with a matching structure at a position corresponding to the pump head assembly, the matching structure is matched with the pre-mounting structure, and the motor assembly is fixedly connected with the pump head assembly through at least one fixing piece; and a motor shield is arranged inside the motor assembly. The air pump has three main parts, i.e., the pump head assembly, the motor assembly and the motor shield, the pump head assembly and the motor assembly are positioned and quickly connected through the pre-mounting structure and the matching structure, the motor assembly is installed in the motor shield, the modular design is realized, the separate manufacturing and pre-assembly of each part are facilitated, the overall structural layout is reasonable, quick assembly is realized, and the assembly efficiency and overall performance stability of the air pump are improved.

[0023] 2、preloading structure is buckle, buckle at least two and symmetrically provided on pump head assembly, cooperation structure is the card slot connected with buckle;Setting at least two symmetric buckles as preloading structure, and the card slot as cooperation structure, this structure design makes the pump head assembly and motor assembly can be accurately and quickly positioned when assembling, the cooperation mode of buckle and card slot is simple and effective, ensures the reliability of connection, further improves the assembly efficiency, at the same time, symmetrically arranged is beneficial to keep the overall balance after assembling. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to make the content of the utility model more easily be clearly understood, the following according to the specific embodiment of the utility model and combining with the drawings, the utility model is further detailed, wherein:

[0025] Figure 1 It is the overall structure diagram of specific embodiment 1 in the utility model;

[0026] Figure 2 It is the exploded view of motor assembly and motor shield in specific embodiment 1 in the utility model;

[0027] Figure 3 It is the exploded view of pump head assembly in specific embodiment 1 in the utility model;

[0028] Figure 4 It is the exploded view of pump head assembly and motor assembly in specific embodiment 1 in the utility model;

[0029] Figure 5 It is the sectional view of specific embodiment 1 in the utility model;

[0030] Figure 6 It is the overall structure diagram of specific embodiment 2 in the utility model;

[0031] Reference signs: 1, pump head assembly;101, top cover;1011, first recess;102, diaphragm cavity main body;1021, strip-shaped slot;103, bottom shell;1031, second recess;2, motor shield;201, clamping block;3, motor assembly;4, mounting plate;401, card slot;5, spring strip;6, buckle;7, screw hole;8, screw;9, gas outlet;10, pressure relief port;11, pressure relief valve;12, gas inlet;13, clamp;14, leather cup;15, partition;16, gas inlet channel;17, rotating disc;18, rotating rod;19, connecting rod plate. DETAILED DESCRIPTION

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Specific Implementation Example 1: As shown in the example Figures 1-5 As shown in this embodiment, a novel quick-assembly air pump comprises three main parts: a pump head assembly 1, a motor assembly 3, and a motor housing. The lower end of the pump head assembly 1 has at least one pre-installed structure for positioning and connection with the motor assembly 3. The motor assembly 3 has a mating structure corresponding to the pump head assembly 1, which is adapted to the pre-installed structure. The motor assembly 3 is fixedly connected to the pump head assembly 1 by at least one fastener. The motor assembly 3 is installed inside the motor housing. The pump head assembly 1 and the motor assembly 3 are positioned and quickly connected through the pre-installed structure and the mating structure. Furthermore, the motor assembly 3 is installed inside the motor housing, achieving a modular design that facilitates individual manufacturing and pre-assembly of each part. The overall structural layout is reasonable, enabling rapid assembly and improving the assembly efficiency and overall performance stability of the air pump.

[0034] like Figure 4 As shown, the pre-assembly structure in this embodiment is a snap-fit ​​6. There are at least two snap-fits 6 symmetrically arranged on the pump head assembly 1, and the mating structure is a slot 401 connected to the snap-fit ​​6. By setting at least two symmetrical snap-fits 6 as the pre-assembly structure and the matching slot 401 as the mating structure, this structural design allows for accurate and rapid positioning of the pump head assembly 1 and the motor assembly 3 during assembly. The mating method of the snap-fits 6 and the slot 401 is simple and effective, ensuring the reliability of the connection and further improving assembly efficiency. Simultaneously, the symmetrical arrangement helps maintain the overall balance after assembly.

[0035] like Figure 2 As shown, a mounting plate 4 is provided inside the motor housing 2, and a locking block 201 for limiting the mounting plate 4 is provided on the inner wall of the motor housing 2. The motor assembly 3 is integrated on the mounting plate 4. The mounting plate 4 inserts the motor assembly 3 into the motor housing 2 and fixes it by abutting against the locking block 201. The mounting plate 4 inside the motor housing 2, and the locking block 201 on the inner wall of the motor housing 2 to limit the position of the mounting plate 4, and the integration of the motor assembly 3 onto the mounting plate 4, make the installation of the motor assembly 3 more convenient and stable. During the assembly process, simply insert the mounting plate 4 into the motor housing 2, and the motor assembly 3 can be fixed by the abutting between the locking block 201 and the mounting plate 4, simplifying the assembly steps of the motor assembly 3 and the motor housing, and also facilitating the maintenance and replacement of the motor assembly 3.

[0036] As Figure 3 shown, the pump head assembly 1 comprises a top cover 101, a diaphragm cavity body 102, a bottom shell 103, a plurality of first recesses 1011 are formed in one end of the top cover 101, the bottom shell 103 has a second recess 1031, a strip-shaped groove 1021 for connecting the first recess 1011 and the second recess 1031 is formed on the outer wall of the diaphragm cavity body 102, a spring strip 5 is arranged in the strip-shaped groove 1021, and the spring strip 5 has clamping hooks at both ends respectively matched with the first recess 1011 and the second recess 1031. The pump head assembly 1 is composed of the top cover 101, the diaphragm cavity body 102 and the bottom shell 103, the first recess 1011, the strip-shaped groove 1021 and the second recess 1031 are respectively arranged on the top cover 101, the diaphragm cavity body 102 and the bottom shell 103 and connected with each other, and the spring strip 5 is clamped and fixed with the clamping hooks, so that the quick assembly of the internal components of the pump head assembly 1 is realized, the complex connection process is not needed, the assembly difficulty is reduced, the spring strip 5 clamping has a certain elastic buffering effect, the vibration and noise of the pump head assembly 1 during working can be reduced to a certain extent, and the stability and reliability of the pump head assembly 1 are improved.

[0037] As shown in Figure 2 and 3 shown, at least one mounting hole is formed in the mounting plate 4, the fixing member is a screw 8, a screw hole 7 matched with the screw 8 is formed in the bottom of the bottom shell 103, and the mounting plate 4 and the bottom shell 103 are fixedly connected through cooperation of the screw 8 and the screw hole 7. The mounting hole is formed in the mounting plate 4, the screw hole 7 is arranged on the bottom shell 103, and the mounting plate 4 and the bottom shell 103 are fixedly connected through cooperation of the screw 8 passing through the mounting hole and the screw hole 7. This fixing mode is simple and reliable, can effectively connect the motor assembly 3 and the pump head assembly 1 together, ensures that the power generated by the motor during working can be stably transmitted to the pump head assembly 1, guarantees the normal operation of the air pump, and facilitates disassembly and maintenance.

[0038] As shown in Figure 1As shown, the thin film cavity body 102 is provided with a strip-shaped groove 1021 around the periphery, the top cover 101 is provided with a first recess 1011 around the periphery, the bottom shell 103 is provided with a second recess 1031 around the periphery, and the first recess 1011, the strip-shaped groove 1021 and the second recess 1031 are connected by the spring strip 5 after the assembly of the top cover 101, the thin film cavity body 102 and the bottom shell 103. The strip-shaped groove 1021 is provided around the periphery of the thin film cavity body 102, and the first recess 1011 and the second recess 1031 are respectively provided around the periphery of the top cover 101 and the bottom shell 103, so that the spring strip 5 can be used for clamping in all directions during assembly, further enhancing the stability of the connection between the components of the pump head assembly 1, improving the strength and sealing performance of the overall structure of the pump head assembly 1, ensuring that the gas pump does not leak during operation, and thus improving the working efficiency and performance of the gas pump.

[0039] As shown in Figure 5 The thin film cavity body 102 is provided with a partition plate 15, so that the thin film cavity body 102 is divided into an air inlet cavity and an air outlet cavity. The air inlet cavity is provided with an air inlet channel 16 and a rotating disc 17, the air inlet channel extends through the partition plate 15 to the air outlet cavity, and the rotating disc 17 is provided with a plurality of leather cups 14 on one side close to the partition plate 15. Each leather cup 14 is provided with a plurality of through holes on the partition plate 15, and each through hole is provided with a diaphragm.

[0040] The motor assembly includes a motor, and the output shaft of the motor is connected with a connecting rod 19, and the other end of the connecting rod 19 is connected with the rotating disc 17 through a rotating rod 18.

[0041] The thin film cavity body 102 is provided with an air inlet 12, and the air inlet 12 is connected with the air inlet cavity. The top cover 101 is provided with an air outlet 9, and the air outlet 9 is connected with the air outlet cavity. The specific working process of the pump head 2 is not described here.

[0042] In example 2, as shown in Figure 6 The difference between the present example and example 1 is that the novel quick-assembly air pump further includes a pressure relief port 10 arranged on the pump head assembly 1, and the pressure relief port 10 is connected with the air outlet cavity. The pressure relief port 10 is provided with a pressure relief valve 11. When the output gas pressure of the air pump is too high, the pressure relief valve 11 can automatically open to release the excess pressure, prevent the air pump from being damaged due to excessive internal pressure, and protect the safety of the air pump system. At the same time, the air pump can also adapt to the pressure changes under different working conditions, and ensure the stable and safe operation of the air pump. The model and size of the pressure relief valve 11 can be selected according to the shape of the pressure relief port 10.

[0043] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the application belong to the scope protected by the utility model.

Claims

1. A new quick installation air pump characterized in that, The utility model relates to a pump head assembly (1) is provided with at least one preloading structure at the lower end, and the preloading structure is used for positioning and connecting with the motor assembly (3); the motor assembly (3) is provided with the matching structure in the corresponding position of the pump head assembly (1), and the matching structure is matched with the preloading structure, and the motor assembly (3) is fixedly connected with the pump head assembly (1) through at least one fixing part; the motor shield (2) is installed in the motor assembly (3). The preloading structure is buckle (6), and the buckle (6) is at least two and symmetrically arranged on the pump head assembly (1), and the matching structure is the card slot (401) connected with the buckle (6). The motor shield (2) is provided with the mounting plate (4), the inner wall of the motor shield (2) is provided with the clamping block (201) for limiting the mounting plate (4), the motor assembly (3) is integrated on the mounting plate (4), and the mounting plate (4) is inserted into the motor shield (2) and is fixed by abutting with the clamping block (201). The pump head assembly (1) comprises a top cover (101), a diaphragm cavity body (102) and a bottom shell (103), a plurality of first recesses (1011) are formed in one end of the top cover (101), the bottom shell (103) has a second recess (1031), a strip-shaped groove (1021) for connecting the first recess (1011) and the second recess (1031) is formed in the outer wall of the diaphragm cavity body (102), a spring strip (5) is arranged in the strip-shaped groove (1021), and the both ends of the spring strip (5) are provided with clamping hooks matched with the first recess (1011) and the second recess (1031) respectively.

2. A new quick installation air pump according to claim 1, characterized in that, The mounting plate (4) is provided with at least one mounting hole, the fixing part is a screw (8), the bottom of the bottom shell (103) is provided with a screw hole (7) matched with the screw (8), and the mounting plate (4) and the bottom shell (103) are fixedly connected through cooperation of the screw (8) and the screw hole (7).

3. A new quick installation air pump according to claim 2, characterized in that, The diaphragm cavity body (102) is provided with a strip-shaped groove (1021) around, the top cover (101) is provided with a first recess (1011) communicated with the strip-shaped groove (1021) around, the bottom shell (103) is provided with a second recess (1031) communicated with the strip-shaped groove (1021) around, and the top cover (101), the diaphragm cavity body (102) and the bottom shell (103) are assembled, and each first recess (1011), strip-shaped groove (1021) and second recess (1031) are clamped by the spring strip (5).

4. A new quick installation air pump according to claim 3, characterized in that, The diaphragm cavity body (102) is provided with a partition plate (15), so that the diaphragm cavity body (102) is divided into an air inlet cavity and an air outlet cavity, the air inlet cavity is provided with an air inlet channel (16) and a rotating disc (17), the air inlet channel extends to the air outlet cavity through the partition plate (15), a plurality of leather cups (14) are arranged on one side of the rotating disc (17) close to the partition plate (15), a plurality of through holes are arranged on the partition plate (15) corresponding to each leather cup (14), and a diaphragm is arranged on each through hole.

5. A new quick installation air pump according to claim 4, characterized in that, ​ 6. A new quick installation air pump according to claim 4, characterized in that, ​ 7. A new quick installation air pump according to claim 4, characterized in that, ​ The motor assembly comprises a motor, an output shaft of the motor is connected with a connecting rod (19), and the other end of the connecting rod (19) is connected with the rotating disc (17) through a rotating rod (18). The thin film cavity body (102) is provided with an air inlet (12), and the air inlet (12) is communicated with the air inlet cavity; the top cover (101) is provided with an air outlet (9), and the air outlet (9) is communicated with the air outlet cavity.

8. A new quick installation air pump according to claim 7, characterized in that, The pump head assembly (1) is further provided with a pressure relief port (10), and the pressure relief port (10) is communicated with the air outlet cavity; the pressure relief port (10) is provided with a pressure relief valve (11).

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