Constant-temperature valve element air tightness detection device

Abstract

The utility model discloses an air tightness detection device for a thermostatic valve core. The air tightness detection device comprises a machine body, a fixing frame and a valve handle rotating structure, the fixing frame is arranged at the upper part of the machine body, and a plurality of sockets for inserting constant-temperature valve cores to be detected are arranged on a bottom plate of the fixing frame at intervals; the valve handle rotating structure comprises a plurality of sleeve valve covers and a plurality of valve handle rotating units, the sleeve valve covers can be detachably mounted on the valve handle of the constant-temperature valve core, gear raised heads are arranged at the upper parts of the sleeve valve covers, and cover cavities which can be correspondingly clamped with the valve handle are formed at the lower parts of the sleeve valve covers; each valve handle rotating unit and the corresponding socket are arranged in the fixing frame in an up-down opposite mode. The valve handle rotating unit comprises a lifting driving cylinder installed on a top plate of the fixing frame, a rotating driving module which can be arranged in the fixing frame in a lifting mode under driving of the lifting driving cylinder, and a rotating cylinder which can be arranged at the bottom of the rotating driving module in a rotating mode under driving of the rotating driving module. And a barrel cavity which can be correspondingly clamped with the gear raised head is formed in the rotary barrel. According to the utility model, the airtightness detection efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of thermostatic valve core air tightness detection equipment, in particular to a thermostatic valve core air tightness detection device. Background Art

[0002] Air tightness testing is a must-check item for thermostatic valve cores before they leave the factory. If the air tightness is unqualified, it will affect the working performance at the least and cause safety accidents at the worst. At present, the air tightness testing of thermostatic valve cores is mainly done manually by turning the valve handles one by one during ventilation testing, which has low testing efficiency. Utility Model Content

[0003] The utility model aims to provide a thermostatic valve core air tightness detection device.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A thermostatic valve core air tightness detection device comprises a body, a fixing frame and a valve handle rotating structure; the fixing frame is mounted on the upper part of the body, and a plurality of sockets for inserting the thermostatic valve core to be detected are provided at intervals on the bottom plate of the fixing frame; the valve handle rotating structure comprises a plurality of sets of valve covers and a plurality of valve handle rotating units, the valve covers can be detachably mounted on the valve handle of the thermostatic valve core, a gear boss is provided on the upper part, and a cover cavity capable of correspondingly engaging with the valve handle is formed on the lower part; each valve handle rotating unit is arranged in the fixing frame opposite to a socket in the upper and lower parts, and the ... The element includes a lifting drive cylinder installed on the top plate of the fixed frame, a rotating drive module that can be lifted and lowered in the fixed frame under the drive of the lifting drive cylinder, and a rotary cylinder that can be rotatably arranged at the bottom of the rotating drive module under the drive of the rotating drive module, the rotary cylinder is formed with a cylinder cavity that can be correspondingly engaged with the gear protrusion, after the thermostatic valve core to be tested is inserted into the socket, the valve cover is installed on the valve handle of the thermostatic valve core, the lifting drive cylinder drives the rotating drive module to descend, the rotary cylinder engages with the gear protrusion, and under the drive of the rotating drive module, the valve handle is rotated with the valve cover.

[0006] As a further technical solution of the utility model: the rotary drive module includes a lifting seat, a rotary drive motor and a coupling assembly, the telescopic rod of the lifting drive cylinder penetrates into the fixed frame, the lifting seat can be lifted and lowered in the fixed frame, and the top of the lifting seat is connected to the telescopic rod of the lifting drive cylinder; the rotary drive motor is arranged in the lifting seat, and the rotary drum is arranged below the lifting seat, and the top of the rotary drum is connected to the motor shaft of the rotary drive motor in a straight line with the coupling assembly, so that the rotary drive motor can drive the rotary drum to rotate.

[0007] As a further technical solution of the utility model: the fixing frame is provided with a lifting guide rail on its back plate corresponding to each lifting seat, and the lifting seat is provided with a plurality of sliders which can slide along the lifting guide rail at its rear end, and the sliders are installed on the corresponding lifting guide rails.

[0008] As a further technical solution of the utility model: the fixing frame is provided with a first photoelectric sensor on the back plate thereof corresponding to the installation position of each set of valve covers, for the thermostatic valve core to be detected to be inserted into the socket. After the sleeve valve cover is installed on the valve handle of the thermostatic valve core, the first photoelectric sensor is flush with the sleeve valve cover and can sense the sleeve valve cover and transmit signals to the valve handle rotation unit to make it operate.

[0009] As a further technical solution of the utility model: the lifting seat is provided with a partition which separates the upper part and the lower part thereof; the rotary drive motor is arranged on the partition and is located in the upper part of the lifting seat; the lifting seat is provided with a second photoelectric sensor in its lower part, and a turntable which cooperates with the second photoelectric sensor is provided on one end of the coupling assembly which is connected to the motor shaft of the rotary drive motor, so as to control the rotation amplitude of the rotary drum.

[0010] As a further technical solution of the utility model: the lifting seat is equipped with a spring-pressing assembly at its bottom, and the spring-pressing assembly includes a fixed plate connected to the bottom of the lifting seat, a plurality of spring telescopic rods erected at intervals on the bottom surface of the fixed plate, and a spring-pressing plate connected to the bottom ends of the plurality of spring telescopic rods, and the spring-pressing plate is provided with a through-hole at its center which is opposite to the upper and lower sides of the rotary cylinder; the diameter of the through-hole is larger than the outer diameter of the sleeve valve cover and smaller than the outer diameter of the valve shell of the thermostatic valve core, so that when the lifting drive cylinder drives the rotary drive module to descend, the sleeve valve cover can pass through the through-hole, and the spring-pressing plate presses the thermostatic valve core to position it on the socket.

[0011] As a further technical solution of the utility model: a plurality of reinforcing plates are arranged at intervals on the fixing frame, and the top plate, the bottom plate and the back plate of the fixing frame are connected by the reinforcing plates.

[0012] As a further technical solution of the utility model: the valve handle is formed with a first gear tooth surface at the bottom of its outer wall, and the sleeve valve cover is formed with a second gear tooth surface matching the first gear tooth surface at the bottom of the inner wall of the cover cavity.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model proposes a thermostatic valve core air tightness detection device through the cooperation between the body, the fixing frame and the valve handle rotating structure. After the thermostatic valve core to be detected is inserted into the socket, the valve cover is installed on the valve handle of the thermostatic valve core, and the lifting drive cylinder drives the rotating drive module to descend, and the rotary cylinder engages the gear boss, so that under the drive of the rotating drive module, the valve handle can be automatically rotated by the valve cover, thereby effectively improving the efficiency of the thermostatic valve core air tightness detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall diagram of the thermostatic valve core air tightness detection device.

[0015] Figure 2 This is a schematic diagram of the installation of the valve handle rotating structure on the fixed frame.

[0016] Figure 3 It is a cross-sectional view of the valve handle rotation structure.

[0017] Figure 4 Schematic diagram of disassembly and assembly of sleeve valve cover. DETAILED DESCRIPTION

[0018] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the protection scope of the present invention.

[0019] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 A thermostatic valve core air tightness detection device comprises a body 10, a fixing frame 20 and a valve handle rotating structure 30; the fixing frame 20 is mounted on the upper part of the body 10, and the fixing frame 20 is provided with a plurality of sockets 21 for inserting the thermostatic valve core to be detected at intervals on its bottom plate; the valve handle rotating structure 30 comprises a plurality of valve covers 31 and a plurality of valve handle rotating units 32, the valve covers 31 can be detachably mounted on the valve handle of the thermostatic valve core, the upper part of which is provided with a gear boss 311, and the lower part of which is formed with a cover cavity 312 that can be correspondingly engaged with the valve handle; each valve handle rotating unit 32 is arranged in the fixing frame 20 relative to a socket 21, and the valve handle rotating unit 32 comprises a plurality of valve covers 31 and a plurality of valve handle rotating units 32 installed on the fixing frame 20, and the plurality of valve covers 31 and a plurality of valve handle rotating units 32 are provided ... The lifting drive cylinder 321 on the top plate of the frame 20, the rotating drive module 322 that can be lifted and lowered in the fixed frame 20 under the drive of the lifting drive cylinder 321, and the rotary cylinder 323 that can be rotatably arranged at the bottom of the rotating drive module 322 under the drive of the rotating drive module 322, the rotary cylinder 323 is formed with a cylinder cavity that can be correspondingly engaged with the gear protrusion 311, after the thermostatic valve core to be tested is inserted into the socket 21, the sleeve valve cover 31 is installed on the valve handle of the thermostatic valve core, the lifting drive cylinder 321 drives the rotating drive module 322 to descend, and the rotary cylinder 323 engages with the gear protrusion 311, so that the valve handle can be rotated by the sleeve valve cover 31 under the drive of the rotating drive module 322.

[0020] Furthermore, in the present embodiment, the rotation drive module 322 includes a lifting seat 41, a rotation drive motor 42 and a coupling assembly 43. The telescopic rod of the lifting drive cylinder 321 is inserted into the fixed frame 20. The lifting seat 41 can be lifted and lowered in the fixed frame 20. The top of the lifting seat 41 is connected to the telescopic rod of the lifting drive cylinder 321. The rotation drive motor 42 is arranged in the lifting seat 41, and the rotary cylinder 323 is arranged below the lifting seat 41. The top of the rotary cylinder 323 is connected to the motor shaft of the rotation drive motor 42 in a straight line with the coupling assembly 43, so that the rotation drive motor 42 can drive the rotary cylinder 323 to rotate.

[0021] Furthermore, in this embodiment, the fixing frame 20 is provided with a lifting guide rail 201 on its back plate corresponding to each lifting seat 41, and the lifting seat 41 is provided with a plurality of sliders 411 at its rear end that can slide along the lifting guide rail 201, so that the sliders 411 can be installed on the corresponding lifting guide rail 201, thereby improving the stability of the lifting seat 41 when lifting.

[0022] Furthermore, in this embodiment, the fixing frame 20 is provided with a first photoelectric sensor 202 on its back plate corresponding to the installation position of each set of valve covers 31, so that the thermostatic valve core to be detected is inserted into the socket 21. After the sleeve valve cover 31 is installed on the valve handle of the thermostatic valve core, the first photoelectric sensor 202 is flush with the sleeve valve cover 31 and can sense the sleeve valve cover 31, thereby transmitting a signal to the valve handle rotation unit 32 to enable it to operate.

[0023] Furthermore, in this embodiment, the lifting seat 41 is provided with a partition 412 for separating the upper part and the lower part thereof; the rotary drive motor 42 is arranged on the partition 412 and is located in the upper part of the lifting seat 41; the lifting seat 41 is provided with a second photoelectric sensor 413 in its lower part, and a turntable 431 cooperating with the second photoelectric sensor 413 is provided on one end of the coupling assembly 43 connected to the motor shaft of the rotary drive motor 42, so as to control the rotation amplitude of the rotary drum 323.

[0024] Furthermore, in the present embodiment, the lifting seat 41 is provided with a spring-pressing assembly 50 at its bottom, and the spring-pressing assembly 50 comprises a fixed plate 51 connected to the bottom of the lifting seat 41, a plurality of spring telescopic rods 52 spaced apart and erected on the bottom surface of the fixed plate 51, and a spring-pressing plate 53 connected to the bottom ends of the plurality of spring telescopic rods 52, and the spring-pressing plate 53 is provided with a through-hole 531 at its center which is opposite to the rotary cylinder 323 in the upper and lower directions; the diameter of the through-hole 531 is larger than the outer diameter of the sleeve valve cover 31 and smaller than the outer diameter of the valve shell of the thermostatic valve core, so that when the lifting drive cylinder 321 drives the rotary drive module 322 to descend, the sleeve valve cover 31 can pass through the through-hole 531, and the spring-pressing plate 53 presses the thermostatic valve core to be positioned on the socket 21.

[0025] Furthermore, in this embodiment, a plurality of reinforcing plates 203 are provided on the fixing frame 20 at intervals, and the reinforcing plates 203 are used to connect the top plate, the bottom plate and the back plate of the fixing frame 20 to play a reinforcing role.

[0026] Furthermore, in this embodiment, the valve handle is formed with a first gear surface at the bottom of its outer wall, and the sleeve valve cover 31 is formed with a second gear surface matching the first gear surface at the bottom of the inner wall of the cover cavity 312 .

[0027] Furthermore, in this embodiment, the body 10 is provided with an air tightness detection structure in its lower part, and the air tightness detection structure is connected to the bottom of the socket 21, so that after the thermostatic valve core to be tested is inserted into the socket 21 and the valve handle rotation structure 30 is started, the air tightness detection structure is used to perform an air tightness test on the thermostatic valve core.

[0028] It can be understood that the method of using the thermostatic valve core air tightness detection device of the utility model is as follows: the thermostatic valve core to be detected is inserted into the socket 21, the sleeve valve cover 31 is installed on the valve handle of the thermostatic valve core, the first photoelectric sensor 202 senses the sleeve valve cover 31, and transmits a signal to the valve handle rotation unit 32 to make it operate; the telescopic rod of the lifting drive cylinder 321 extends to drive the lifting seat 41 to descend along the lifting guide rail 201, and the sleeve valve cover 31 can pass through the through hole 531 of the spring plate 53, and the rotary cylinder 323 engages with the gear protrusion 311 and the spring plate 53 to press the thermostatic valve core against the socket 21, and the rotary cylinder 323 rotates with the rotation of the motor shaft of the rotary drive motor 42 to drive the sleeve valve cover 31 to automatically rotate the valve handle in the thermostatic valve core air tightness detection. In this way, the valve handle rotation in the thermostatic valve core air tightness detection is realized, and the detection efficiency is effectively improved.

[0029] To sum up, the utility model is a thermostatic valve core air tightness detection device. Through the cooperation between the body 10, the fixing frame 20 and the valve handle rotating structure 30, after the thermostatic valve core to be detected is inserted into the socket 21, the sleeve valve cover 31 is installed on the valve handle of the thermostatic valve core, and the lifting drive cylinder 321 drives the rotating drive module 322 to descend, and the rotary cylinder 323 engages with the gear protrusion 311, so that under the drive of the rotating drive module 322, the sleeve valve cover 31 can automatically rotate the valve handle, thereby effectively improving the efficiency of the thermostatic valve core air tightness detection.

[0030] As long as it does not violate the creative idea of ​​the utility model, any combination of various different embodiments of the utility model should be regarded as the content disclosed by the utility model; within the technical concept of the utility model, any simple modification of the technical solution and any combination of different embodiments that do not violate the creative idea of ​​the utility model should be within the protection scope of the utility model.

Claims

1. A thermostatic valve core air tightness detection device, characterized in that: The invention comprises a machine body (10), a fixing frame (20) and a valve handle rotating structure (30); the fixing frame (20) is mounted on the upper part of the machine body (10), and a plurality of sockets (21) for inserting a thermostatic valve core to be tested are provided on the bottom plate of the fixing frame (20) at intervals; the valve handle rotating structure (30) comprises a plurality of valve covers (31) and a plurality of valve handle rotating units (32); the valve covers (31) can be detachably mounted on the valve handle of the thermostatic valve core, and a gear protrusion (311) is provided on the upper part thereof, and a cover cavity (312) capable of correspondingly engaging with the valve handle is formed on the lower part thereof; each valve handle rotating unit (32) is arranged in the fixing frame (20) in a manner opposite to a socket (21) in the upper and lower parts, and the valve handle rotating unit (32) comprises a valve cover (31) mounted on the top of the fixing frame (20); A lifting drive cylinder (321) on the plate, a rotation drive module (322) that can be lifted and lowered in the fixed frame (20) under the drive of the lifting drive cylinder (321), and a rotary cylinder (323) that can be rotatably arranged at the bottom of the rotation drive module (322) under the drive of the rotation drive module (322), wherein the rotary cylinder (323) is formed with a cylinder cavity that can be correspondingly engaged with the gear protrusion (311), and after the thermostatic valve core to be tested is inserted into the socket (21), the sleeve valve cover (31) is installed on the valve handle of the thermostatic valve core, the lifting drive cylinder (321) drives the rotation drive module (322) to descend, the rotary cylinder (323) engages with the gear protrusion (311), and under the drive of the rotation drive module (322), the valve handle is rotated by the sleeve valve cover (31).

2. The thermostatic valve core air tightness detection device according to claim 1, characterized in that: The rotary drive module (322) comprises a lifting seat (41), a rotary drive motor (42) and a coupling assembly (43); the telescopic rod of the lifting drive cylinder (321) penetrates into the fixed frame (20); the lifting seat (41) can be lifted and lowered in the fixed frame (20); the top of the lifting seat (41) is connected to the telescopic rod of the lifting drive cylinder (321); the rotary drive motor (42) is arranged in the lifting seat (41); the rotary cylinder (323) is arranged below the lifting seat (41); the top of the rotary cylinder (323) is connected to the motor shaft of the rotary drive motor (42) in a straight line by the coupling assembly (43), so that the rotary drive motor (42) can drive the rotary cylinder (323) to rotate.

3. The thermostatic valve core air tightness detection device according to claim 2, characterized in that: The fixing frame (20) is provided with a lifting guide rail (201) on its back plate corresponding to each lifting seat (41), and the lifting seat (41) is provided with a plurality of sliders (411) capable of sliding along the lifting guide rail (201) at its rear end, and the sliders (411) are installed on the corresponding lifting guide rails (201).

4. The thermostatic valve core air tightness detection device according to claim 1, characterized in that: The fixing frame (20) is provided with a first photoelectric sensor (202) on its back plate corresponding to the installation position of each set of valve covers (31), so that the thermostatic valve core to be detected is inserted into the socket (21). After the set valve cover (31) is installed on the valve handle of the thermostatic valve core, the first photoelectric sensor (202) is flush with the set valve cover (31) and can sense the set valve cover (31) and transmit a signal to the valve handle rotation unit (32) to make it operate.

5. The thermostatic valve core air tightness detection device according to claim 2, characterized in that: The lifting seat (41) is provided with a partition (412) for separating the upper part and the lower part thereof; the rotary drive motor (42) is arranged on the partition (412) and is located in the upper part of the lifting seat (41); the lifting seat (41) is provided with a second photoelectric sensor (413) in its lower part, and a rotating disk (431) cooperating with the second photoelectric sensor (413) is provided on one end of the coupling assembly (43) connected to the motor shaft of the rotary drive motor (42) for controlling the rotation amplitude of the rotary drum (323).

6. The thermostatic valve core air tightness detection device according to claim 2, characterized in that: The lifting seat (41) is provided with a spring-pressing assembly (50) at its bottom. The spring-pressing assembly (50) comprises a fixed plate (51) connected to the bottom of the lifting seat (41), a plurality of spring telescopic rods (52) arranged at intervals on the bottom surface of the fixed plate (51), and a spring-pressing plate (53) connected to the bottom ends of the plurality of spring telescopic rods (52). The spring-pressing plate (53) is provided with a through hole (531) at its center which is opposite to the rotary cylinder (323) in the upper and lower directions. The diameter of the through hole (531) is larger than the outer diameter of the sleeve valve cover (31) and smaller than the outer diameter of the valve shell of the thermostatic valve core. When the lifting drive cylinder (321) drives the rotary drive module (322) to descend, the sleeve valve cover (31) can pass through the through hole (531), and the spring-pressing plate (53) presses the thermostatic valve core to be positioned on the socket (21).

7. The thermostatic valve core air tightness detection device according to claim 1, characterized in that: A plurality of reinforcing plates (203) are arranged at intervals on the fixing frame (20), and the top plate, the bottom plate and the back plate of the fixing frame (20) are connected by the reinforcing plates (203).

8. The thermostatic valve core air tightness detection device according to claim 1, characterized in that: The valve handle is formed with a first gear tooth surface at the bottom of its outer wall, and the sleeve valve cover (31) is formed with a second gear tooth surface matching the first gear tooth surface at the bottom of the inner wall of the cover cavity (312).

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