Valve element riveting device
By designing a valve core riveting device, the processing problems caused by unstable valve core fixing and model differences were solved, enabling efficient and low-cost production of solenoid valves.
Patent Information
- Application Number
- CN202520566594.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-28
AI Technical Summary
In the existing solenoid valve manufacturing process, the unstable fixing of the valve core leads to inaccurate flow rate adjustment, and the processing cost of different models of valve cores is high and not fast or reliable enough.
A valve core riveting device is adopted, including a riveting operation device and a valve core fixing fixture. The valve core is stably fixed and accurately riveted by riveting telescopic rod and guide device, and the flow rate is adjusted in combination with the adjustment mechanism.
This achieves stable fixing and precise riveting of the valve core, improving production efficiency and the accuracy of flow adjustment, and reducing the processing cost of different valve core models.
Smart Images

Figure CN223903338U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to solenoid valve processing technical field, concretely relates to valve core riveting device. BACKGROUND
[0002] The solenoid valve is a kind of device using electromagnetic force to control valve opening and closing, by controlling the on-off and size of electric current, the flow and injection time of fuel can be accurately controlled.The current process route of solenoid valve is to directly assemble all parts to a solenoid valve monomer, using the traditional scheme, in actual processing production, especially to debugging and detection section, many problems have been found, such as the flow adjustment cannot be carried out under filter screen, leading to inaccurate flow adjustment etc.;Therefore, after optimizing the above process, the feasible scheme is determined: the valve core is processed as a monomer, after adjusting the flow, the valve body is riveted, and finally the valve core and driving shell are assembled.Using the above new scheme needs to solve new technical problems: (1) the valve body of valve core is overall cylindrical strip, how to stably fix the valve body during flow adjustment process (limiting pipe and valve body loose fit, based on the feedback of flow to adjust limiting pipe stroke and change spring compression amount etc.); (2) different solenoid valve models have different valve core models, how to realize low-cost and fast and reliable adjustment during different model valve core processing and other related technical problems. CONTENT OF THE UTILITY MODEL
[0003] In view of the above shortcomings, the utility model provides valve core riveting device to comprehensively solve the background technical problems.
[0004] To achieve the above purpose, the utility model adopts the following technical scheme:
[0005] Valve core riveting device, including riveting operation device, valve core fixed tool, the riveting operation device includes operation part, and the operation part includes riveting telescopic rod;The valve core fixed tool includes tool body, and the tool body is detachably provided with valve core fixing sleeve;The middle part of valve core fixing sleeve is provided with valve core fixing hole, and the valve core is movably installed in the valve core fixing hole;The riveting operation of the valve core is realized by the extension and contraction of riveting telescopic rod.
[0006] Optionally, the riveting telescopic rod is connected with the valve core fixed tool through lead device.
[0007] Optionally, the lead device includes lead hole arranged on the tool body, and the riveting telescopic rod includes rod body, the rod body can slide through the lead hole, and the valve core is riveted by the end of the rod body.
[0008] Optionally, the tool body is provided with a fixing sleeve clamping hole in the longitudinal direction, and the valve core fixing sleeve is detachably inserted into the fixing sleeve clamping hole; the side wall of the fixing sleeve clamping hole is provided with a first clamping hole in the radial direction, and the valve core fixing sleeve is fixed by a first clamping pin inserted through the first clamping hole.
[0009] Optionally, the lower end of the valve core fixing sleeve is provided with a second clamping hole, the lower end of the fixing sleeve clamping hole is provided with a tightening hole corresponding to the second clamping hole, and the valve core fixing sleeve is connected and fixed with the tool body by inserting a second clamping pin into the tightening hole and the second clamping hole.
[0010] Optionally, the support base further comprises a support plate, and the support seats of the riveting telescopic rods and the valve core fixing tool are fixed on the support plate; the left and right sides of the valve core fixing tool are respectively provided with one of the support seats.
[0011] Optionally, the support base is provided with a valve core fixing tool positioning hole and a same-position fixing hole, and the same-position fixing hole is coaxially arranged with the tightening hole and the second clamping hole.
[0012] Optionally, the adjusting mechanism further comprises an adjusting ejector pin, the adjusting ejector pin is fixed to an ejector pin lifting platform, and the ejector pin lifting platform is movably arranged on a longitudinal sliding rail; the adjusting ejector pin is arranged directly above the valve core fixing hole; the ejector pin lifting platform is driven to lift by a lifting mechanism, and the lifting adjustment of the valve core limiting tube position is realized by controlling the lifting of the adjusting ejector pin.
[0013] Optionally, the upper end of the tool body is provided with an operation groove, and the lead device is arranged on both sides of the operation groove.
[0014] Optionally, the valve core fixing sleeve is provided with a ring of tightening grooves corresponding to the first clamping hole.
[0015] Compared with the prior art, the beneficial effects of the present application are:
[0016] By adopting the present application, the valve core during the riveting process can be stably and reliably fixed, the precision of the related operation is ensured, the production efficiency is significantly improved, and the use effect is good. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description.
[0018] Figure 1 is an assembly structure diagram of the valve core fixing tool and the support base;
[0019] Figure 2 It is a valve core fixing set to be fitted to Figure 1 Structural diagram;
[0020] Figure 3 It is the riveted telescopic rod assembly to Figure 2 A schematic diagram of the structure afterward;
[0021] Figure 4 yes Figure 2 A schematic diagram of the structure after removing the valve core fixing fixture;
[0022] Figure 5 yes Figure 3 A sectional view;
[0023] Figure 6 This is a structural diagram of the valve core fixing assembly;
[0024] Figure 7 yes Figure 6 AA section view;
[0025] Figure 8 It is the valve core assembly to Figure 7 A schematic diagram of the structure afterward;
[0026] Figure 9 yes Figure 8 A sectional view;
[0027] Figure 10 This is a schematic diagram of the structure of this utility model;
[0028] Figure 11 yes Figure 10 A partial structural diagram of the valve core fixing fixture. Detailed Implementation
[0029] 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. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0030] In the description of this utility model, it should be noted that the terms "inner", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0031] In the description of the utility model, still need explaining, unless another explicit provision and limitation, term '' set '' '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can through intermediate medium indirectly connect, can be two element inside intercommunication, for ordinary skilled person in the art, can understand the above-mentioned term in the utility model with concrete meaning of concrete case.
[0032] As Figures 1-11 The valve core riveting device comprises a riveting operation device, a valve core fixing tool 8 and an adjusting mechanism, the riveting operation device comprises an operation part, the operation part comprises a riveting telescopic rod, the valve core fixing tool 8 comprises a tool body, and the tool body is detachably provided with a valve core fixing sleeve 10, as Figure 1 As shown in the figure, it further comprises a supporting base, the supporting base comprises a supporting plate 1, and the both sides of the supporting plate 1 are provided with fixing plates 2 for fixing the supporting plate 1, and the supporting plate 1 is provided with a valve core fixing tool positioning hole 14, in use, the positioning hole 14 can ensure the accuracy of the assembly of the valve core fixing tool 8 in the assembly process by pressing the positioning rod. Figure 11 As shown in the figure, the supporting seat 21 of the riveting telescopic rod is fixed on the supporting plate 1 through a connecting groove 3, and the valve core fixing tool 8 is fixed on the supporting plate 1 through a connecting hole 9, in the embodiment, one supporting seat 21 is arranged on the left and right sides of the valve core fixing tool 8 respectively, so that the two riveting telescopic rods are synchronously riveted from the left and right sides. Figures 7-8 As shown in the figure, the middle part of the valve core fixing sleeve 10 is provided with a valve core fixing hole 10-2, and the valve core 11 can be movably installed in the valve core fixing hole 10-2, in the embodiment, the lower part of the valve core fixing hole 10-2 is further provided with a limiting table 10-3 for limiting the valve core 11 and realizing the riveting operation of the valve core 11 through the telescopic riveting telescopic rod.
[0033] Optionally, the riveting telescopic rod is connected with the valve core fixing tool 8 through a lead device, and the lead device comprises a lead hole 4 arranged on the tool body, the riveting telescopic rod comprises a rod body 13, the rod body 13 can slide through the lead hole 4, and the end 12 of the rod body 13 is used for riveting the valve core 11.
[0034] Optionally, in the embodiment, as Figure 1 And Figure 5 The lead device comprises a lead hole 4 arranged on the tool body, the riveting telescopic rod comprises a rod body 13, the rod body 13 can slide through the lead hole 4, and the end 12 of the rod body 13 is used for riveting the valve core 11.
[0035] Optionally, as Figures 1-2As shown, the tooling body has a fixing sleeve hole 5 along its longitudinal direction, and the valve core fixing sleeve 10 can be detachably inserted into the fixing sleeve hole 5; the side wall of the fixing sleeve hole 5 has a first clamping hole 7 along its radial direction, and the valve core fixing sleeve 10 is fixed by passing a first clip through the first clamping hole 7. To improve the fixing effect, in this embodiment, as shown... Figure 7 As shown, the valve core retaining sleeve 10 is provided with a tightening groove 10-1 corresponding to the first clamping hole 7. Simultaneously, the lower end of the valve core retaining sleeve 10 is provided with a second clamping hole 10-4, as shown... Figure 5 As shown, the lower end of the fixing sleeve hole 5 is provided with a tightening hole corresponding to the second clamping hole 10-4; the support plate 1 is provided with a corresponding fixing hole 15, which is coaxially arranged with the tightening hole and the second clamping hole 10-4. The valve core fixing sleeve 10 is connected and fixed to the tooling body by inserting the second rivet into the tightening hole and the second clamping hole. That is, the valve core fixing sleeve 10 is stably fixed to the tooling body through the bottom longitudinal second clamping hole 10-4 and the radial first clamping hole 7, preventing the valve core fixing sleeve 10 from swinging during operation; and the riveting telescopic rod is connected to the valve core fixing tooling 8 through the guide device, thereby ensuring that the rod body 13 maintains a relatively stable and reliable position with the valve core fixing sleeve 10 during the riveting process, ensuring the accuracy and stability of the valve core riveting.
[0036] Optionally, the upper end of the tooling body is provided with an operating groove 6, and the guide device is provided on both sides of the operating groove 6. At the same time, the upper end of the tooling body is provided with a notch 6-1 corresponding to the fixing sleeve hole 5.
[0037] The adjustment mechanism includes an adjustment pin 17, which is fixed to a pin lifting platform 18. The pin lifting platform 18 is movably mounted on a longitudinal slide rail 18-1 and is driven to rise and fall by a lifting mechanism 20. The adjustment pin 17 is positioned directly above the valve core fixing hole 10-2. The position of the valve core limiting tube is adjusted by controlling the rise and fall of the adjustment pin.
[0038] The utility model discloses in use, through the valve core fixed tool 8 of corresponding valve core 11 specification assembly is good, then the valve core 11 is placed into the valve core fixed hole 10 -2, at this moment, the adjustment thimble 17 is located the right above valve core 11, based on the test feedback of flow, through the control valve core 11's rise and fall, realize the back and forth adjustment of valve core inner limit tube stroke, wait to reach the required value, then maintain the adjustment thimble 17 unmoved, then start the rod body 13 of both sides and wear out the lead hole 4, and carry out riveting to valve core body, riveting fixed valve core inner limit tube and valve core body, retreat adjustment thimble 17 and rod body 13, take out the valve core after flow adjustment and riveting, again the new valve core is installed, convenient operation, finally repeat the above steps again.
Claims
1. A valve core riveting device characterized by: The application relates to a riveting operation device and a valve core fixing tool, wherein the riveting operation device comprises an operation part, and the operation part comprises a riveting telescopic rod; the valve core fixing tool comprises a tool body, and a valve core fixing sleeve is detachably arranged on the tool body; a valve core fixing hole is arranged in the middle of the valve core fixing sleeve, and a valve core is movably arranged in the valve core fixing hole; and riveting operation of the valve core is realized through the telescopic operation of the riveting telescopic rod.
2. The valve trim riveting device of claim 1, wherein: The riveting telescopic rod is connected with the valve core fixing tool through a lead device.
3. The valve trim riveting device of claim 2, wherein: The lead device comprises a lead hole arranged on the tool body, and the riveting telescopic rod comprises a rod body which can slide through the lead hole and rivet the valve core by the end of the rod body.
4. The valve trim riveting device of claim 1, wherein: The tool body is longitudinally provided with a sleeve clamping hole, the valve core fixing sleeve is detachably inserted into the sleeve clamping hole, the sidewall of the sleeve clamping hole is radially provided with a first clamping hole, and the valve core fixing sleeve is fixed through a first clamping pin passing through the first clamping hole.
5. The valve trim riveting device of claim 4, wherein: The lower end of the valve core fixing sleeve is provided with a second clamping hole, the lower end of the sleeve clamping hole is provided with a tightening hole corresponding to the second clamping hole, and the valve core fixing sleeve is connected and fixed with the tool body through a second clamping pin inserted into the tightening hole and the second clamping hole.
6. The valve trim riveting apparatus of claim 5, wherein: The support base comprises a support plate, the support seat of the riveting telescopic rod and the valve core fixing tool are respectively fixed on the support plate, and the left and right sides of the valve core fixing tool are respectively provided with one support seat.
7. The valve trim riveting apparatus of claim 6, wherein: The support base is provided with a valve core fixing tool positioning hole and a same-position fixing hole which is coaxially arranged with the tightening hole and the second clamping hole.
8. The valve trim riveting device of claim 1, wherein: The adjusting mechanism comprises an adjusting thimble, the adjusting thimble is fixed to a thimble lifting platform, the thimble lifting platform is movably arranged on a longitudinal sliding rail, the adjusting thimble is arranged directly above the valve core fixing hole, the thimble lifting platform is driven to lift by a lifting mechanism, and the lifting adjustment of the valve core limiting tube position is realized by controlling the lifting of the adjusting thimble.
9. The valve trim riveting device of claim 2, wherein: The upper end of the tool body is provided with an operation groove, and the lead device is arranged on the two sides of the operation groove.
10. The valve trim riveting device of claim 4, wherein: The valve core fixing sleeve is provided with a ring of tightening grooves corresponding to the first clamping hole.