CN218996580U

CN218996580U - Rotary structure of pulsator switch

Info

Publication number: CN218996580U
Application number: CN202320018730.9U
Authority: CN
Inventors: 尤郭城; 刘培勋; 朱杰; 陈玉斌; 王聪; 杨克成; 龙海先; 刘明鑫; 曾华健; 李欣
Original assignee: Ya'an Xiaohang Electric Appliances Co ltd
Current assignee: Ya'an Xiaohang Electric Appliances Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-05-09
Anticipated expiration: 2033-01-05

Abstract

The utility model belongs to the technical field of automobiles, and particularly discloses a rotary structure of a pulsator switch, which comprises a pulsator and a gear spring plate, wherein the gear spring plate is connected with the pulsator and can elastically deform; the gear piece, gear piece coaxial coupling has the connecting axle, the impeller with connecting axle normal running fit, the periphery of gear piece is provided with a plurality of continuous distribution's recess, the tip of gear shell fragment is located can carry out spacingly to the impeller when in the recess, rotate the impeller can drive the gear shell fragment is in proper order a plurality of switch in the recess. The utility model can reduce the occupied space of the whole impeller switch, effectively utilize the internal space of the impeller switch and improve the operation hand feeling.

Description

Rotary structure of pulsator switch

Technical Field

The utility model relates to the technical field of automobiles, in particular to a rotary structure of a pulsator switch.

Background

At present, the switch adopted in the automobile is generally higher and higher in requirement on user operation experience, the switch operation experience is continuously improved in face of market demands, and most of the switches adopt methods such as micro switches and conductive silica gel to improve user operation handfeel. But the lifting scheme aiming at the user operation experience of the automobile wave wheel switch is single.

At present, a wave wheel regulating switch for an automobile generally adopts a steel ball, a reset spring, a wave concave gear shifting structure or a gear ejector rod, a reset spring and an ejector rod wave concave gear shifting structure, and the two structures are reset spring structures which are limited by the reset spring, as shown in fig. 3 (the reset spring structure of the gear ejector rod is shown in fig. 3), the wave wheel regulating switch comprises a wave wheel 1, a spring piece 4, a reset spring 9, a reset ejector rod 10, a wave concave plate 11 (the wave concave plate is usually fixed on a product shell) and the like, and the reset ejector rod on the wave wheel can slide in a plurality of grooves of the wave concave plate under the action of the reset spring through rotating the wave wheel, so that the function of gear shifting is achieved.

Because the component parts of the existing impeller adjusting switch are smaller and more in number, the precision of the parts and the assembling process are very high in the assembling process, a great amount of time is required for assembling the parts, and because the wavy concave shape is positioned on the product shell, the size is larger, and the internal space of the switch cannot be effectively utilized.

And reset spring needs the pre-compaction just can assemble the completion in the installation, because reset spring is softer and the size is slightly less produces the deformation of part easily to when leading to the rotation of impeller switch, use the phenomenon that the feel has the difference, make the uniformity of the feel of switch receive the influence, also influence the reliability of product quality simultaneously.

Disclosure of Invention

The utility model provides a rotary structure of a pulsator switch, which aims to reduce the occupied space of the whole pulsator switch and effectively utilize the inner space of the pulsator switch.

The utility model is realized by the following technical scheme: a rotary structure of a pulsator switch comprises a pulsator,

the gear spring plate is connected with the impeller and can elastically deform;

the gear piece, gear piece coaxial coupling has the connecting axle, the impeller with connecting axle normal running fit, the periphery of gear piece is provided with a plurality of continuous distribution's recess, the tip of gear shell fragment is located can carry out spacingly to the impeller when in the recess, rotate the impeller can drive the gear shell fragment is in proper order a plurality of switch in the recess.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. in the practical application of the rotary structure in the scheme, the rotary structure is required to be combined with the pulsator switch and other component parts on the pulsator switch for cooperation. The gear spring plate and the gear block are matched with each other in the scheme, when the gear spring plate is positioned in the groove, the gear spring plate can play a role in limiting and fixing the pulsator, and when the pulsator is rotated, the gear spring plate can deform and move into another groove along the groove on the gear block, so that the purpose of switching the gear is achieved.

2. The utility model gets rid of the limitation that the wave wheel switch can only select a return spring type single structure due to the narrow internal space, and provides a new thought for the previous scheme selection of the wave wheel switch, compared with the prior art, the wave wheel switch has simpler structure, can fully utilize the internal space of the wave wheel switch, has the functions of switching and limiting, and has the structure of the wave concave plate, the ejector rod and the return spring replaced by the structure of the gear block and the gear elastic sheet in the scheme, and the gear block and the gear elastic sheet can be arranged on the wave wheel and installed in the product shell, thereby discarding the defect that the wave concave plate needs to be installed outside the shell in the prior art, so that the internal space of the wave wheel switch can be fully utilized, and the occupied volume of the whole wave wheel switch can be reduced, and the product is more concise and beautiful.

3. The utility model is characterized in that the movement of the impeller switch is limited by the structures of the gear block and the gear spring plate, and meanwhile, the operation hand feeling of the impeller adjusting switch can be improved due to the relative rotation between the gear spring plate and the gear block. And because the groove structure on the gear piece in this scheme can not appear changing, and the gear shell fragment can not produce deformation as easily like reset spring, can make the cooperation between gear shell fragment and the recess more stable like this when rotating the impeller, can make the operation feel uniformity stronger, can not receive reset spring's deformation and influence the uniformity of operation feel like in the prior art.

Further, the one end of impeller is connected with the stationary blade, the stationary blade with the gear shell fragment all is n type, the gear shell fragment is located the stationary blade is inboard and with the stationary blade is connected, the both ends of gear shell fragment all are located in the recess.

The beneficial effects are that: the setting of stationary blade can provide the mounted position for the installation of gear shell fragment in this scheme, more is convenient for install gear shell fragment on the impeller and rotate along with the rotation of impeller to the realization restriction impeller is in the rotation under no exogenic action. And in this scheme both ends of gear shell fragment are located the recess, and the cooperation between gear shell fragment and the gear piece is better like this, can guarantee the reliability and the user operation experience of impeller switch self.

Meanwhile, due to the relative rotation between the gear spring and the gear block, the operation handfeel of the impeller switch can be improved when the gear spring and the grooves on the gear block are matched in sequence.

Further, both sides of the fixing piece are connected with limiting blocks, and the gear spring plate is clamped between the limiting blocks on both sides of the fixing piece.

The beneficial effects are that: the stopper of connecting in stationary blade both sides can play spacing effect to the gear shell fragment in this scheme, can improve the installation accuracy of gear shell fragment, and this kind of assembly method is simpler, and is swift, can effectively improve assembly efficiency.

Further, three limiting blocks are arranged on two sides of the fixing piece, and the three limiting blocks are respectively located on three end faces of the fixing piece.

The beneficial effects are that: the three limiting blocks can further improve the installation accuracy of the gear spring plate, and the gear spring plate can be more stable.

Further, the gear spring plate is made of a metal material capable of deforming.

The beneficial effects are that: the deformation capability of the gear spring plate can be guaranteed, the gear spring plate has certain strength, is more durable, is more stable when being switched in the groove, and has stronger operation handfeel.

Further, the gear spring plate is made of a chromium-nickel alloy material.

The beneficial effects are that: the gear spring plate made of the chrome-nickel alloy material is more durable and has better plasticity.

Further, the connecting shaft and the gear block are integrally formed.

The beneficial effects are that: so set up, connecting axle and gear piece are moulded plastics into a whole, can improve the assembly efficiency of whole impeller switch in later stage.

Further, the grooves are arc-shaped grooves, and the shape of the end parts of the gear spring plates is matched with that of the grooves.

The beneficial effects are that: in the scheme, the gear spring is mainly used for limiting the movement of the impeller, meanwhile, because the contact part of the gear spring and the gear block is similar in shape, gaps exist between the gear spring and the gear block, in the actual manufacturing process, the switch operation handfeel can be adjusted by changing the size of a die and adjusting the gap between the gear spring and the groove or the contact cambered surface of the end part of the gear spring, if the gap between the end part of the gear spring and the groove is large, the operation handfeel can be weakened, and if the gap between the end part of the gear spring and the groove is small, the operation handfeel can be enhanced.

Further, the outside of impeller is connected with many antislip strips.

The beneficial effects are that: the setting can avoid skidding when rotating the impeller like this, and the feel is also better.

Further, the impeller, the gear block and the connecting shaft are all made of plastic materials.

The beneficial effects are that: the weight of the impeller switch can be reduced, the impeller switch is lighter, and the cost is lower.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:

FIG. 1 is a perspective view of a rotary structure of a pulsator switch of the present utility model;

FIG. 2 is a perspective view of a rotary structure of a pulsator switch and a circuit board after being mounted;

fig. 3 is a perspective view of a rotating structure of a related art pulsator switch.

In the drawings, the reference numerals and corresponding part names:

the gear comprises a wave wheel 1, an anti-slip strip 101, a gear block 2, a groove 201, a gear spring plate 3, a spring piece 4, a circuit board 5, a fixing piece 6, a connecting shaft 7, a limiting block 8, a reset spring 9, a push rod 10 and a concave wave plate 11.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

Examples

As shown in fig. 1, this embodiment 1 provides a rotary structure of a pulsator switch, which includes a pulsator 1, a gear spring plate 3 and a gear block 2, and in this embodiment, the pulsator 1, the gear block 2 and a connecting shaft 7 are all made of plastic materials. The gear spring plate 3 is connected with the pulsator 1, and the gear spring plate 3 can generate elastic deformation, in this embodiment, the gear spring plate 3 is located at one end of the pulsator 1, and one end of the pulsator 1 is connected with a fixing piece 6. The outside of impeller 1 is connected with many antislip strips 101, and many antislip strips 101 are also plastic material, and many antislip strips 101 all with impeller 1 integrated into one piece, antislip strips 101's setting can play the skid-proof effect when rotating impeller 1.

In this embodiment, the fixing piece 6 is also made of plastic material, and the fixing piece 6 and the pulsator 1 are integrally formed by injection molding, both the fixing piece 6 and the gear spring 3 are n-shaped, and the gear spring 3 is located inside the fixing piece 6 and connected with the fixing piece 6, specifically: the both sides of stationary blade 6 all are connected with stopper 8, and stopper 8 of stationary blade 6 both sides all are equipped with three, and three stopper 8 are located three terminal surfaces of stationary blade 6 respectively, stopper 8 and stationary blade 6 integrated into one piece, and more quick like this when the assembly, gear shell fragment 3 card is between stopper 8 of stationary blade 6 both sides, and gear shell fragment 3 makes for the metal material that can produce deformation in this embodiment, and is specific: the gear spring plate 3 is made of chrome-nickel alloy.

The gear block 2 in this embodiment is coaxially connected with a connecting shaft 7, the pulsator 1 is in running fit with the connecting shaft 7, the connecting shaft 7 is fixed on a product shell in the actual installation process, and in this embodiment, the connecting shaft 7 and the gear block 2 are molded integrally by injection, so that the assembly is faster. The gear block 2 is of a circular structure as a whole, and a plurality of grooves 201 which are distributed continuously are provided on the outer periphery of the gear block 2, like the shape of a gear.

The two ends of the gear spring plate 3 are both located in the groove 201, the end of the gear spring plate 3 is located in the groove 201 and is in a limiting state, the cooperation of the gear spring plate 3 and the gear block 2 can limit the pulsator 1, the pulsator 1 cannot rotate by itself when not being stirred by the outside, the gear spring plate 3 can play an effective limiting role on the pulsator 1, and when the pulsator 1 is rotated, the pulsator 1 can drive the gear spring plate 3 to switch in a plurality of grooves 201 in sequence.

In this embodiment, the groove 201 is an arc groove 201, that is, the concave surface of the groove 201 is an arc surface, the end shape of the gear spring 3 in this embodiment is matched with the shape of the groove 201, that is, both ends of the gear spring 3 are in arc hook structures, so that the gear spring 3 can be in contact with the arc groove 201, and a gap exists between the contact arc surface at the lower end of the gear spring 3 and the groove 201 in this embodiment.

The gear block 2 in this embodiment is injection molded through a mold, so that a certain amount of gap between the contact surface of the end portion of the gear spring plate 3 and the groove 201 or radian of the contact cambered surface of the lower end of the gear spring plate 3 can be adjusted to adjust the switch operation hand feeling of the impeller 1 through adjusting the size of the mold, when the gap between the end portion of the gear spring plate 3 and the groove 201 is larger, the operation hand feeling is weakened, and when the gap between the end portion of the gear spring plate 3 and the groove 201 is smaller, the operation hand feeling is enhanced.

The gear block 2 and the gear spring sheet 3 in the embodiment are both positioned in the product shell and positioned on the pulsator 1, so that the inner space of the pulsator 1 switch can be effectively utilized, the outer occupied space is reduced, and the cooperation between the gear block 2 and the gear spring sheet 3 has stronger operation hand feeling for the pulsator 1 switch.

The specific implementation mode is as follows: with reference to fig. 2, the pulsator 1 is provided with a metal spring piece 4, the spring piece 4 has deformability and conductivity, the spring piece 4 is provided with four contact pins, the four contact pins are in a group, and the product shell is internally provided with a circuit board 5. When assembled, the connecting shaft 7 is connected and fixed with the housing through the circuit board 5.

The impeller 1 is rotated, the impeller 1 moves together with the spring piece 4 and the gear spring piece 3, and the gear block 2 and the connecting shaft 7 are integrally formed, so that the impeller is always in a fixed state, when the impeller 1 drives the gear spring piece 3 to rotate, the impeller and the gear block 2 generate relative movement, the cambered surface at the lower end of the gear spring piece 3 is sequentially contacted with or separated from the cambered surfaces of a plurality of grooves 201 of the gear block 2, the spring piece 4 and four contact pins on the spring piece 4 are driven to move in the rotating process of the impeller 1, so that the contact pins of the spring piece 4 are contacted with the anode and the cathode on the circuit board 5, corresponding circuits on the circuit board 5 are conducted, and the circuits requiring the on-off adjustment of the impeller 1 are controlled. When the external force for rotating the pulsator 1 is removed, the lower end of the gear spring plate 3 is positioned in the groove 201 of the gear block 2, so that the limiting effect on the pulsator 1 is achieved, the pulsator 1 is prevented from rotating automatically, and thus the functions of gear switching and limiting and retaining are effectively achieved.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a rotary structure of impeller switch, includes the impeller, its characterized in that still includes:

2. The rotary structure of the pulsator switch according to claim 1, wherein one end of the pulsator is connected with a fixing piece, the fixing piece and the gear spring are of n type, the gear spring is located inside the fixing piece and connected with the fixing piece, and two ends of the gear spring are located in the groove.

3. The rotary structure of the rotary switch according to claim 2, wherein the two sides of the fixing piece are connected with limiting blocks, and the gear spring is clamped between the limiting blocks on the two sides of the fixing piece.

4. The rotary structure of the rotary switch of claim 3, wherein three limiting blocks are respectively arranged on two sides of the fixing piece, and the three limiting blocks are respectively arranged on three end faces of the fixing piece.

5. The rotary structure of the pulsator switch according to claim 1, wherein the gear spring is made of a deformable metal material.

6. The rotary structure of claim 5, wherein the gear spring is made of inconel.

7. The rotary structure of a pulsator switch according to claim 1, wherein the connecting shaft is integrally formed with the gear block.

8. The rotary structure of a rotary switch as claimed in claim 1, wherein the recess is an arc recess, and the shape of the end of the gear spring is matched with the shape of the recess.

9. The rotary structure of the pulsator switch according to claim 1, wherein a plurality of anti-slip strips are connected to the outer side of the pulsator.

10. The rotary structure of the pulsator switch of claim 1, wherein the pulsator, the gear block and the connecting shaft are all made of plastic materials.