A spin riveting device for assembling a thermostatic cartridge

Abstract

This utility model discloses a riveting device for assembling thermostatic valve core components, used for assembling elastic cylinder assemblies. It includes an operating seat, a positioning seat, a pressure applying unit, a fixing seat, and a riveting unit. The positioning seat has a base installed at the center of the operating seat and a positioning pin head disposed on the top of the base. The pressure applying unit is installed on one side of the operating seat and has a pressure applying arm that can rise and fall relative to the positioning pin head, and a pressure applying drive cylinder for driving the pressure applying arm to rise and fall. One end of the pressure applying arm extends above the positioning seat and has a pressure applying port that is vertically opposite to the positioning pin head. The fixing seat is installed at the rear end of the operating seat, and its front end forms a seat head that extends above the operating seat. The riveting unit is mounted vertically opposite the positioning seat on the seat head and has a riveting head that can rise and fall and rotate relative to the positioning pin head, and a riveting drive module for driving the riveting head to rise and fall and rotate. This utility model can efficiently complete the assembly of elastic cylinder assemblies.

Description

Technical Field

[0001] This utility model relates to the field of thermostatic valve core technology, and in particular to a riveting device for assembling thermostatic valve core accessories. Background Technology

[0002] In some existing thermostatic valve cores, an elastic cylinder assembly is used as one of the main components. The elastic cylinder assembly includes a cylinder body, an inner sleeve, and a limiting gasket. The interior of the cylinder body has an upper cylinder cavity, a partition layer, and a lower cylinder cavity arranged from top to bottom. The partition layer has a through-hole in the center that connects the upper cylinder cavity and the lower cylinder cavity. The inner sleeve can be elastically installed into the lower cylinder cavity. The inner sleeve has a cylinder body section at the top that can pass through the through-hole, a cylinder seat section at the bottom with an outer diameter larger than the through-hole, and a flow channel in the center that connects the cylinder body section and the cylinder seat section. The top of the cylinder body section passes through the through-hole into the upper cylinder cavity and is fitted with a limiting gasket. The bottom of the cylinder seat section has a seat edge that matches the inner diameter of the lower cylinder cavity, and a spring is fitted between the seat edge and the partition layer of the inner sleeve.

[0003] Currently, the assembly of this elastic cylinder assembly mainly involves manual assembly of the cylinder body, inner sleeve, and spring, followed by manually hammering the limiting shims onto the top of the cylinder body section, which is inefficient. Utility Model Content

[0004] The purpose of this utility model is to provide a riveting device for assembling thermostatic valve core components.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A riveting device for assembling thermostatic valve core components, used for assembling elastic cylinder assemblies, includes an operating seat, a positioning seat, a pressure applying unit, a fixing seat, and a riveting unit. The positioning seat has a base installed at the center of the operating seat and a positioning pin head disposed on the top of the base. The pressure applying unit is installed on one side of the operating seat and has a pressure applying arm that can be raised and lowered relative to the positioning pin head and a pressure applying drive cylinder for driving the pressure applying arm to rise and fall. One end of the pressure applying arm extends to the top of the positioning seat and has a pressure applying port that is vertically opposite to the positioning pin head. The fixing seat is installed at the rear end of the operating seat, and its front end forms a seat head that extends to the top of the operating seat. The riveting unit is mounted on the seat head vertically opposite to the positioning seat and has a riveting head that can be raised, lowered, and rotated relative to the positioning pin head and a riveting drive module for driving the riveting head to rise and fall and rotate.

[0007] As a further technical solution of this utility model: a riveting device for assembling thermostatic valve core accessories includes a workbench, an operating seat installed at the front end of the workbench, and a fixed seat installed at the rear end of the workbench; the workbench has two double-button switches on both sides opposite each other for driving the operation of the pressure application unit and the riveting unit. The pressure application control key of the two double-button switches needs to be pressed simultaneously to operate the pressure application unit; or the riveting control key of the two double-button switches needs to be pressed simultaneously to operate the riveting unit.

[0008] As a further technical solution of this utility model: the pressure unit includes a C-shaped frame, which is installed on one side of the operating seat and has a base plate connected to the operating seat, a top plate disposed directly above the base plate, and a connecting plate connecting the rear ends of the base plate and the top plate; the pressure driving cylinder is installed on the top plate, and the telescopic rod of the pressure driving cylinder extends between the top plate and the base plate; the other end of the pressure arm is disposed between the top plate and the base plate, and the top of the pressure arm is connected to the telescopic rod of the pressure driving cylinder, so that the telescopic rod of the pressure driving cylinder can extend and retract, thereby driving the pressure arm to rise and fall.

[0009] As a further technical solution of this utility model: the front end face of the connecting plate is equipped with a guide slide rail arranged along the telescopic rod direction of the pressure driving cylinder, and the rear end of the pressure arm is provided with a slider that can slide along the guide slide rail.

[0010] Compared with the prior art, the beneficial effects of this utility model are: This utility model proposes a riveting device for assembling thermostatic valve core accessories. Through the cooperation between the operating seat, positioning seat, pressure application unit, fixing seat and riveting unit, the assembly of the elastic cylinder assembly can be completed efficiently, effectively improving the assembly efficiency of the elastic cylinder assembly. Attached Figure Description

[0011] Figure 1 This is a cross-sectional view of the assembled elastic cylinder assembly.

[0012] Figure 2 A schematic diagram of a riveting device used for assembling thermostatic valve core components.

[0013] Figure 3 This is a schematic diagram showing the placement of the guide post auxiliary limiting shim. Detailed Implementation

[0014] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of protection of this utility model.

[0015] Please see Figure 1 , Figure 2 and Figure 3A riveting device for assembling thermostatic valve core components, used for assembling an elastic cylinder assembly 10, includes an operating seat 21, a positioning seat 22, a pressure applying unit 23, a fixing seat 24, and a riveting unit 25; the positioning seat 22 has a base 221 that can be detachably installed at the center of the operating seat 21 and a positioning pin 222 disposed on the top of the base 221; the pressure applying unit 23 is installed on one side of the operating seat 21, and has a pressure applying arm 231 that can be raised and lowered relative to the positioning pin 222 and a pressure applying device for driving the pressure applying arm 231 to rise and fall. The drive cylinder 232 has one end of the pressure arm 231 extending above the positioning seat 22 and having a pressure port 201 that is vertically opposite to the positioning pin head 222. The fixed seat 24 is installed at the rear end of the operating seat 21, and its front end forms a seat head 241 extending above the operating seat 21. The riveting unit 25 is mounted on the seat head 241 vertically opposite to the positioning seat 22. It has a riveting head 251 that can be raised, lowered and rotated relative to the positioning pin head 222 and a riveting drive module (not shown in the figure) for driving the riveting head 251 to be raised, lowered and rotated.

[0016] Furthermore, in this embodiment, a riveting device for assembling thermostatic valve core components includes a workbench 26, an operating seat 21 installed at the front end of the workbench 26, and a fixing seat 24 installed at the rear end of the workbench 26. The workbench 26 has two double-button switches 261 on opposite sides for driving the pressure application unit 23 and the riveting unit 25 to operate. The pressure application control key of the two double-button switches 261 needs to be pressed simultaneously to operate the pressure application unit 23; or the riveting control key of the two double-button switches 261 needs to be pressed simultaneously to operate the riveting unit 25.

[0017] Furthermore, in this embodiment, a riveting device for assembling thermostatic valve core components includes a guide post 301 to assist in the placement of the limiting gasket 13.

[0018] Furthermore, in this embodiment, the pressure applying unit 23 includes a U-shaped frame 233, which is detachably installed on one side of the operating seat 21. It has a base plate 31 connected to the operating seat 21, a top plate 32 disposed directly above the base plate 31, and a connecting plate 33 connecting the rear ends of the base plate 31 and the top plate 32. The pressure applying drive cylinder 232 is installed on the top plate 32, and the telescopic rod of the pressure applying drive cylinder 232 extends between the top plate 32 and the base plate 31. The other end of the pressure applying arm 231 is disposed between the top plate 32 and the base plate 31, and the top of the pressure applying arm 231 is connected to the telescopic rod of the pressure applying drive cylinder 232, so that the telescopic rod of the pressure applying drive cylinder 232 can extend and retract, thereby driving the pressure applying arm 231 to rise and fall.

[0019] Furthermore, in this embodiment, the front end face of the connecting plate 33 is equipped with a guide rail 331 arranged along the telescopic rod direction of the pressure driving cylinder 232, and the rear end of the pressure arm 231 is provided with a slider that can slide along the guide rail 331 to improve the stability of the pressure arm 231 when it is raised or lowered.

[0020] Furthermore, in this embodiment, the seat head 241 is provided with a height adjustment structure 40 that can adjust the height of the riveting unit 25. The riveting unit 25 is provided with a rack 202 on one side that meshes with the height adjustment structure 40. The handwheel 41 of the height adjustment structure 40 is rotated to drive the transmission component of the height adjustment structure 40, which meshes the handwheel 41 with the rack 202, to raise and lower the entire riveting unit 25.

[0021] Furthermore, in this embodiment, a power supply box 203 is installed on one side of the fixing base 24 to control the power supply switch.

[0022] Furthermore, in this embodiment, the elastic cylinder assembly 10 includes a cylinder body 11, an inner sleeve 12, and a limiting gasket 13. The interior of the cylinder body 11, from top to bottom, is provided with an upper cylinder cavity 111, a partition layer 112, and a lower cylinder cavity 113. The partition layer 112 has a through-hole 101 at its center connecting the upper cylinder cavity 111 and the lower cylinder cavity 113. The cylinder body 11 also has a limiting ring edge 102 protruding from the center of its outer circumference. The inner sleeve 12 is elastically and vertically installed into the lower cylinder cavity 113. The inner sleeve 12 has a tube at its upper part that can pass through the through-hole 101. The body 121 has a lower part with a cylindrical seat section 122 having an outer diameter larger than the through-hole 101 and a flow channel 123 forming in the center that passes through the body section 121 and the cylindrical seat section 122. The top and bottom of the flow channel 123 are both flared outwards. The top of the body section 121 extends from the through-hole 101 into the upper cylindrical cavity 111 and a limiting gasket 13 is fitted on it. The bottom of the cylindrical seat section 122 has a seat edge 124 that matches the inner diameter of the lower cylindrical cavity 113. The inner sleeve 12 has a spring 103 fitted between the seat edge 124 and the partition layer 112.

[0023] According to the structure of the elastic cylinder assembly 10, the positioning pin head 222 is formed with a main pin body that matches the inner diameter of the lower cylinder cavity 113 and a plug head that matches the bottom of the flow channel 123 at the top of the main pin body; the diameter of the pressure port 201 is larger than the diameter of the outer circumferential surface of the cylinder 11 and smaller than the outer diameter of the limiting ring edge 102; the outer diameter of the guide post 301 matches the diameter of the top of the flow channel 123.

[0024] Understandably, the method of using the riveting device for assembling thermostatic valve core components according to this utility model includes the following steps: First, manually insert the assembled body 11, inner sleeve 12 and spring 103 into the positioning pin head 222, and simultaneously press the pressure control keys of the two double-button switches 261 to operate the pressure unit 23, so that the pressure port 201 presses against the limiting ring edge 102, pressing the assembly onto the positioning seat 22, and the main pin of the positioning pin head 222 passes through the lower cylinder cavity 113 and the insertion pin head is inserted into the bottom of the flow channel 123, supporting the inner sleeve 12, and the top of the cylinder body section 121 of the inner sleeve 12 passes through the through port 101 into the upper cylinder cavity 111; Second, the guide post 301 is inserted from the top of the cylinder 11 into the flow channel 122. At the top of channel 123, the limiting gasket 13 is inserted into the guide post 301 and slides into the upper cylinder cavity 111 along the guide post 301. After the limiting gasket 13 is fitted onto the top of the cylinder section 121 of the inner sleeve 12, the guide post 301 is removed. In the third step, the riveting control keys of the two double-button switches 261 are pressed simultaneously to operate the riveting unit 25. Under the drive of the riveting drive module, the riveting head 251 rotates and descends to rivet the limiting gasket 13 to the top of the cylinder section 121 of the inner sleeve 12 at a preset riveting depth. In the fourth step, the pressure control keys of the two double-button switches 261 are pressed simultaneously again to release the operation of the pressure unit 23 and remove the assembled elastic cylinder assembly 10. Repeat the above steps to complete the assembly of the thermostatic valve core accessories.

[0025] In summary, the riveting device for assembling thermostatic valve core components of this utility model, through the cooperation between the operating seat 21, positioning seat 22, pressure application unit 23, fixing seat 24 and riveting unit 25, can efficiently complete the assembly of the elastic cylinder assembly 10, effectively improving the assembly efficiency of the elastic cylinder assembly 10.

[0026] Any combination of different embodiments of this utility model, provided it does not violate the inventive concept of this utility model, shall be considered as the disclosure of this utility model; any simple modifications to the technical solution and any combination of different embodiments within the scope of the inventive concept of this utility model, without violating the inventive concept of this utility model, shall be within the protection scope of this utility model.

Claims

1. A riveting device for assembling thermostatic valve core components, used for assembling an elastic cylinder assembly (10), characterized in that: The system includes an operating seat (21), a positioning seat (22), a pressure application unit (23), a fixing seat (24), and a riveting unit (25). The positioning seat (22) has a base (221) installed at the center of the operating seat (21) and a positioning pin (222) set on the top of the base (221). The pressure application unit (23) is installed on one side of the operating seat (21) and has a pressure application arm (231) that can be raised and lowered relative to the positioning pin (222) and a pressure application drive cylinder (232) for driving the pressure application arm (231) to be raised and lowered. One end of the fixed seat (24) extends above the positioning seat (22) and has a pressure port (201) that is vertically opposite to the positioning pin (222); the fixed seat (24) is installed at the rear end of the operating seat (21) and its front end forms a seat head (241) that extends above the operating seat (21); the riveting unit (25) is mounted on the seat head (241) vertically opposite to the positioning seat (22), and has a riveting head (251) that can be raised and lowered and rotated relative to the positioning pin (222) and a riveting drive module for driving the riveting head (251) to be raised and lowered and rotated.

2. The riveting device for assembling thermostatic valve core components according to claim 1, characterized in that: The system includes a workbench (26), with the operating seat (21) installed at the front end of the workbench (26) and the fixed seat (24) installed at the rear end of the workbench (26). The workbench (26) has two double-button switches (261) on opposite sides for driving the pressure unit (23) and the riveting unit (25). The pressure control keys of the two double-button switches (261) need to be pressed simultaneously to make the pressure unit (23) operate; or the riveting control keys of the two double-button switches (261) need to be pressed simultaneously to make the riveting unit (25) operate.

3. The riveting device for assembling thermostatic valve core components according to claim 1, characterized in that: The pressure unit (23) includes a U-shaped frame (233), which is installed on one side of the operating seat (21). It has a base plate (31) connected to the operating seat (21), a top plate (32) located directly above the base plate (31), and a connecting plate (33) connecting the rear ends of the base plate (31) and the top plate (32). The pressure driving cylinder (232) is installed on the top plate (32), and the telescopic rod of the pressure driving cylinder (232) extends between the top plate (32) and the base plate (31). The other end of the pressure arm (231) is located between the top plate (32) and the base plate (31), and the top of the pressure arm (231) is connected to the telescopic rod of the pressure driving cylinder (232) so that the telescopic rod of the pressure driving cylinder (232) can extend and retract, thereby driving the pressure arm (231) to rise and fall.

4. The riveting device for assembling thermostatic valve core components according to claim 3, characterized in that: The front end face of the connecting plate (33) is equipped with a guide rail (331) arranged along the telescopic rod direction of the pressure driving cylinder (232), and the rear end of the pressure arm (231) is provided with a slider that can slide along the guide rail (331).

Images