Aluminum alloy embedded valve push rod

Abstract

The utility model relates to the technical field of engines, in particular to an aluminum alloy inlaid type valve push rod which comprises a rod body and an inlaid mechanism, the inlaid mechanism comprises a push rod head, a sleeve, a fixing frame, a threaded rod, a cylinder, a conical block, a driven wheel, a round rod, a rotating assembly, two sets of connecting assemblies and two sets of guiding assemblies, and one end of the threaded rod is fixedly connected with the driven wheel; the cylinder sleeves the threaded rod, one end of the conical block is fixedly connected with the cylinder, the other end of the conical block penetrates through the rod body, the sleeve sleeves the fixed frame, the push rod head is fixedly connected to one end of the sleeve, the two connecting assemblies are symmetrically arranged in the fixed frame, and the two ends of the round rod are fixedly connected with the fixed frame. The two guide assemblies are symmetrically arranged on the outer side of the cylinder, the rotating assembly is meshed with the driven wheel, and through the arrangement, the rod body and the push rod head can be assembled and disassembled, so that independent maintenance and replacement are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of engines, in particular to an aluminum alloy inlaid valve push rod. Background Art

[0002] The valve push rod is an important engine accessory. There are many types of existing valve push rods, which are usually composed of a rod body, a push rod head and a metal ball. The push rod head is generally fixed to the rod body by welding. After the engine runs for a long time, the engine will generate a lot of heat. Coupled with the interaction between the valve push rod and other parts, the push rod head will easily become loose, which will directly affect the use of the pneumatic push rod in the engine and even affect the operation of the entire engine.

[0003] In order to solve the above technical problems, the prior art patent (CN211737234U) discloses a novel valve push rod, including a rod body, a push rod head, a metal ball, a steel ball and elastic parts. The push rod head is cylindrical, and the bottom of the push rod head is provided with an insertion hole for one end of the rod body to be inserted and connected. A plurality of evenly distributed grooves are axially opened inward on the peripheral wall of the insertion hole. Elastic parts and steel balls are arranged in sequence from the inside to the outside in the grooves, and the steel balls partially extend out of the grooves. A plurality of limit grooves for the corresponding steel balls to be inserted and limited are opened at one end of the rod body connected to the push rod head and at the position corresponding to the groove. By making the push rod head and the rod body into a split type and improving the connection strength between the rod body and the push rod head, the service life of the valve push rod is improved.

[0004] However, in the above-mentioned prior art, the positioned shaft and the putter head need to be mechanically connected together through an extrusion device, which is very troublesome, and the shaft and the putter head cannot be replaced separately. Utility Model Content

[0005] The utility model aims to provide an aluminum alloy inlaid valve push rod, aiming to solve the technical problems in the prior art that the positioned rod shaft and the push rod head need to be mechanically connected together through extrusion equipment, which is very troublesome and the rod shaft and the push rod head cannot be replaced separately.

[0006] To achieve the above-mentioned purpose, the utility model adopts an aluminum alloy inlaid valve push rod, including a rod body and an inlay mechanism, the inlay mechanism includes a push rod head, a sleeve, a fixing frame, a threaded rod, a cylinder, a conical block, a driven wheel, a round rod, a rotating assembly, two sets of connecting assemblies and two sets of guiding assemblies, the rod body has a groove, the driven wheel is arranged in the groove, the rod body has a cavity, one end of the threaded rod is fixedly connected to the driven wheel, the other end of the threaded rod passes through the rod body and is inserted into the groove, the cylinder is sleeved on the outside of the threaded rod and connected with the The threaded rod is threadedly matched, one end of the conical block is fixedly connected to the cylinder, the other end of the conical block passes through the rod body, the fixed frame is fixedly connected to one end of the rod body, the sleeve is sleeved on the outside of the fixed frame, the push rod head is fixedly connected to one end of the sleeve, two groups of the connecting components are symmetrically arranged inside the fixed frame, the round rod is slidingly connected to the two groups of the connecting components respectively, the two ends of the round rod are fixedly connected to the fixed frame respectively, the two groups of the guide components are symmetrically arranged on the outside of the cylinder, and the rotating component is engaged with the driven wheel.

[0007] Among them, the rotating assembly includes a roller, a driving wheel and a hexagonal screw head, the roller is fixedly connected to the rod body and is located in the groove, the driving wheel is rotatably connected to the roller and meshes with the driven wheel, and the hexagonal screw head is fixedly connected to the driving wheel and is located on one side of the driving wheel.

[0008] Among them, each group of the connecting components includes a slider, a spring and a supporting member, the slider is slidably connected to the round rod, the spring is sleeved on the outside of the round rod, one end of the spring is fixedly connected to the fixed frame, the other end of the spring is fixedly connected to the slider, and the supporting member is fixedly connected to the slider.

[0009] Wherein, the supporting member includes an inclined block and a latch, the inclined block is fixedly connected to the slider, the sleeve has a slot, one end of the latch is fixedly connected to the inclined block, and the other end of the latch passes through the fixed frame and is inserted into the slot.

[0010] Among them, each group of the guide components includes a guide rod, a fixed block and a moving block, the fixed block is fixedly connected to the rod body and is located in the cavity, the moving block is fixedly connected to the cylinder, the guide rod passes through the moving block and is slidably connected to the moving block, one end of the guide rod is fixedly connected to the fixed block, and the other end of the guide rod is fixedly connected to the rod body.

[0011] Among them, the aluminum alloy inlaid valve push rod also includes an arc plate, a clamping rod and a clamping plate, one end of the arc plate is hinged to the rod body, and the other end of the arc plate is provided with a rectangular groove, the clamping rod is fixedly connected to the arc plate and is located in the rectangular groove, and the clamping plate is fixedly connected to the outer side of the rod body and clamped with the clamping rod.

[0012] The utility model discloses an aluminum alloy inlaid valve push rod, one end of the threaded rod is fixedly connected to the driven wheel, the cylinder is sleeved on the outer side of the threaded rod, one end of the tapered block is fixedly connected to the cylinder, and the sleeve is sleeved on the outer side of the fixed frame. When it is used, the fixed frame is inserted into the sleeve, and then the driven wheel is driven to rotate by the rotating component, and the driven wheel drives the threaded rod to rotate, so that the cylinder moves, and the cylinder drives the tapered block to move, and the tapered block pushes the two groups of the connecting components to move in opposite directions, thereby connecting the sleeve to the fixed frame, and thus connecting the push rod head to the rod body. The rod body is made of aluminum alloy and has the advantages of high strength and light weight. This method can effectively solve the problem in the prior art that the positioned rod body and the push rod head need to be mechanically connected together by extrusion equipment, which is very troublesome, and the rod body and the push rod head cannot be replaced separately. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0015] Figure 2 It is a sectional view of the overall structure of the first embodiment of the utility model.

[0016] Figure 3 It is a partial structural schematic diagram of the first embodiment of the utility model.

[0017] Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0018] 101-rod body, 102-groove, 103-cavity, 104-push rod head, 105-sleeve, 106-slot, 107-fixed frame, 108-threaded rod, 109-cylinder, 110-conical block, 111-driven wheel, 112-round rod, 113-roller, 114-driving wheel, 115-hexagonal screw head, 116-slider, 117-spring, 118-oblique block, 119-latch, 120-guide rod, 121-fixed block, 122-moving block, 201-arc plate, 202-rectangular groove, 203-clamp rod, 204-clamp plate. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] The first embodiment of the present application is:

[0021] See also Figure 1 to Figure 3 ,in Figure 1 It is a structural schematic diagram of the first embodiment of the utility model. Figure 2 This is a cross-sectional view of the overall structure of the first embodiment of the utility model. Figure 3 It is a partial structural schematic diagram of the first embodiment of the utility model.

[0022] The utility model provides an aluminum alloy inlaid valve push rod, comprising a rod body 101 and an inlay mechanism, wherein the inlay mechanism comprises a push rod head 104, a sleeve 105, a fixed frame 107, a threaded rod 108, a cylinder 109, a conical block 110, a driven wheel 111, a round rod 112, a rotating assembly, two groups of connecting assemblies and two groups of guiding assemblies, wherein the rotating assembly comprises a roller 113, a driving wheel 114 and a hexagon socket screw head 115, each group of the connecting assemblies comprises a slider 116, a spring 117 and a resisting member, wherein the resisting member comprises an inclined block 118 and a latch 119, and each group of the guiding assemblies comprises a guide rod 120, a fixed block 121 and a moving block 122. The above scheme solves the problem in the prior art that the positioned rod body and the push rod head need to be mechanically connected together by an extrusion device, which is very troublesome, and the rod body and the push rod head cannot be replaced separately.

[0023] According to this specific embodiment, the rod body 101 has a groove 102, the driven wheel 111 is arranged in the groove 102, the rod body 101 has a cavity 103, one end of the threaded rod 108 is fixedly connected to the driven wheel 111, the other end of the threaded rod 108 passes through the rod body 101 and is inserted into the groove 102, the cylinder 109 is sleeved on the outside of the threaded rod 108 and threadedly matched with the threaded rod 108, one end of the conical block 110 is fixedly connected to the cylinder 109, the other end of the conical block 110 passes through the rod body 101, the fixed frame 107 is fixedly connected to one end of the rod body 101, the sleeve 105 is sleeved on the outside of the fixed frame 107, the push rod head 104 is fixedly connected to one end of the sleeve 105, and the two groups of the connecting components are symmetrically arranged on the fixed frame 107. , the round rod 112 is slidably connected to the two groups of the connecting components respectively, the two ends of the round rod 112 are fixedly connected to the fixed frame 107 respectively, the two groups of the guide components are symmetrically arranged on the outside of the cylinder 109, the rotating component is engaged with the driven wheel 111, and when it is used specifically, the fixed frame 107 is inserted into the sleeve 105, and then the driven wheel 111 is driven to rotate by the rotating component, and the driven wheel 111 drives the threaded rod 108 to rotate, so that the cylinder 109 moves, and the cylinder 109 drives the conical block 110 to move, and the conical block 110 pushes the two groups of the connecting components to move in opposite directions, thereby connecting the sleeve 105 with the fixed frame 107, thereby connecting the push rod head 104 with the rod body 101, and the rod body 101 is made of aluminum alloy and has the advantages of high strength and light weight.

[0024] Among them, the roller 113 is fixedly connected to the rod body 101 and is located in the groove 102, the driving wheel 114 is rotatably connected to the roller 113 and meshes with the driven wheel 111, the hexagon socket screw head 115 is fixedly connected to the driving wheel 114 and is located on one side of the driving wheel 114. When it is used, the hexagon socket screw head 115 is rotated using an hexagon socket wrench, the hexagon socket screw head 115 drives the driving wheel 114 to rotate, and the driving wheel 114 drives the driven wheel 111 to rotate.

[0025] Secondly, the slider 116 is slidably connected to the round rod 112, the spring 117 is sleeved on the outside of the round rod 112, one end of the spring 117 is fixedly connected to the fixed frame 107, the other end of the spring 117 is fixedly connected to the slider 116, and the abutment is fixedly connected to the slider 116. When in use, the conical block 110 abuts the abutment, and the abutment drives the slider 116 to slide on the round rod 112, so that the spring 117 contracts.

[0026] At the same time, the inclined block 118 is fixedly connected to the slider 116, the sleeve 105 has a slot 106, one end of the pin 119 is fixedly connected to the inclined block 118, and the other end of the pin 119 passes through the fixed frame 107 and is inserted into the slot 106. When in use, the conical block 110 pushes the inclined block 118 to move toward the outside of the fixed frame 107, and the inclined block 118 drives the pin 119 to pass through the fixed frame 107 and is inserted into the slot 106, thereby fixing the sleeve 105 to the fixed frame 107.

[0027] In addition, the fixed block 121 is fixedly connected to the rod body 101 and is located in the cavity 103, the moving block 122 is fixedly connected to the cylinder 109, the guide rod 120 passes through the moving block 122 and is slidably connected to the moving block 122, one end of the guide rod 120 is fixedly connected to the fixed block 121, and the other end of the guide rod 120 is fixedly connected to the rod body 101. When in use, the cylinder 109 moves to drive the moving block 122 to move on the guide rod 120, thereby guiding the cylinder 109.

[0028] When using the aluminum alloy inlaid valve push rod of this embodiment, the fixing frame 107 is inserted into the sleeve 105, and then the hexagon socket screw head 115 is rotated using an inner hexagon wrench, and the inner hexagon socket screw head 115 drives the driving wheel 114 to rotate, and the driving wheel 114 drives the driven wheel 111 to rotate, and the driven wheel 111 drives the threaded rod 108 to rotate, so that the cylinder 109 moves, and the cylinder 109 drives the conical block 110 to move, and the conical block 110 presses the inclined block 118 toward the fixing The outside of the fixed frame 107 moves, and the inclined block 118 drives the pin 119 to penetrate the fixed frame 107 and insert into the slot 106, so as to fix the sleeve 105 to the fixed frame 107, thereby connecting the putter head 104 to the rod body 101. The rod body 101 is made of aluminum alloy and has the advantages of high strength and light weight. This method can effectively solve the problem in the prior art that the positioned rod shaft and the putter head need to be mechanically connected together through an extrusion device, which is very troublesome, and the rod shaft and the putter head cannot be replaced separately.

[0029] The second embodiment of the present application is:

[0030] Based on the first embodiment, please refer to Figure 4 , Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0031] The utility model provides an aluminum alloy inlaid valve push rod, which also comprises an arc plate 201, a clamping rod 203 and a clamping plate 204.

[0032] According to this specific embodiment, one end of the arc plate 201 is hinged to the rod body 101, and a rectangular groove 202 is provided at the other end of the arc plate 201. The clamping rod 203 is fixedly connected to the arc plate 201 and is located in the rectangular groove 202. The clamping plate 204 is fixedly connected to the outer side of the rod body 101 and is clamped with the clamping rod 203. When in use, the arc plate 201 is rotated so that the arc plate 201 fits against the outer wall of the rod body 101, and the arc plate 201 is fixed to the rod body 101 by clamping with the clamping rod 203 and the clamping plate 204.

[0033] When using an aluminum alloy inlaid valve push rod of this embodiment, the arc plate 201 is rotated to make the arc plate 201 fit against the outer wall of the rod body 101, and the arc plate 201 is fixed to the rod body 101 by clamping the clamping rod 203 and the clamping plate 204, so as to seal the groove 102 and prevent dust from entering the groove 102.

[0034] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. An aluminum alloy inlaid valve push rod, comprising a rod body, characterized in that: It also includes an inlay mechanism, which includes a push rod head, a sleeve, a fixed frame, a threaded rod, a cylinder, a tapered block, a driven wheel, a round rod, a rotating assembly, two groups of connecting assemblies and two groups of guiding assemblies. The rod body has a groove, and the driven wheel is arranged in the groove. The rod body has a cavity, one end of the threaded rod is fixedly connected to the driven wheel, and the other end of the threaded rod passes through the rod body and is inserted into the groove. The cylinder is sleeved on the outside of the threaded rod and threadedly matched with the threaded rod. One end of the tapered block is fixedly connected to the cylinder, and the other end of the tapered block passes through the rod body. The fixed frame is fixedly connected to one end of the rod body, the sleeve is sleeved on the outside of the fixed frame, the push rod head is fixedly connected to one end of the sleeve, two groups of connecting assemblies are symmetrically arranged inside the fixed frame, the round rod is slidably connected to the two groups of connecting assemblies respectively, and the two ends of the round rod are fixedly connected to the fixed frame respectively. Two groups of guiding assemblies are symmetrically arranged on the outside of the cylinder, and the rotating assembly is meshed with the driven wheel.

2. The aluminum alloy inlaid valve push rod according to claim 1, characterized in that: The rotating assembly includes a roller, a driving wheel and a hexagonal screw head. The roller is fixedly connected to the rod body and is located in the groove. The driving wheel is rotatably connected to the roller and meshes with the driven wheel. The hexagonal screw head is fixedly connected to the driving wheel and is located on one side of the driving wheel.

3. The aluminum alloy inlaid valve push rod according to claim 2, characterized in that: Each group of the connecting components includes a slider, a spring and a supporting member. The slider is slidably connected to the round rod, the spring is sleeved on the outside of the round rod, one end of the spring is fixedly connected to the fixed frame, the other end of the spring is fixedly connected to the slider, and the supporting member is fixedly connected to the slider.

4. The aluminum alloy inlaid valve push rod according to claim 3, characterized in that: The abutment member includes an inclined block and a latch, the inclined block is fixedly connected to the slider, the sleeve has a slot, one end of the latch is fixedly connected to the inclined block, and the other end of the latch passes through the fixed frame and is inserted into the slot.

5. The aluminum alloy inlaid valve push rod according to claim 4, characterized in that: Each group of the guide components includes a guide rod, a fixed block and a moving block. The fixed block is fixedly connected to the rod body and is located in the cavity. The moving block is fixedly connected to the cylinder. The guide rod passes through the moving block and is slidably connected to the moving block. One end of the guide rod is fixedly connected to the fixed block, and the other end of the guide rod is fixedly connected to the rod body.

6. The aluminum alloy inlaid valve push rod according to claim 5, characterized in that: The aluminum alloy inlaid valve push rod also includes an arc plate, a clamping rod and a clamping plate. One end of the arc plate is hinged to the rod body, and the other end of the arc plate is provided with a rectangular groove. The clamping rod is fixedly connected to the arc plate and is located in the rectangular groove. The clamping plate is fixedly connected to the outer side of the rod body and is clamped to the clamping rod.

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