CN208783510U - A kind of pet tractor - Google Patents

Abstract

The utility model discloses a kind of pet tractors, including shell, it is rotatably connected on the intracorporal pulling plate of shell, the traction rope being wound in pulling plate, a rotation hook is additionally provided in shell, the hook that restricted pulling plate is rotated by wind spring is set between rotation hook and pulling plate and closes structure, the spring that a drive makes it away from pulling plate rotation is provided between rotation hook and shell, construction of switch is provided on shell, construction of switch includes the switch base being fixed on shell, the switch slider of cooperation is slid with the switch base and is fixed on the switch oblique top actuating member that switch slider passes through switch base one end, switch slider include slide head and across switch base to extension bar, oval clamp is provided with to the end of extension bar, a shape size and the consistent oval card hole of oval clamp are provided on switch oblique top actuating member, when construction of switch is in use state , oval clamp passes through oval card hole and oval clamp and two long axis of oval card hole are in plumbness.

Description

A kind of pet tractor

Technical field

The utility model relates to a kind of tractor technical fields, more specifically, being related to a kind of pet tractor.

Background technique

Existing market is substantially that a rope draws pet, and rope length is caused not when slipping pet using limited Just.It is public in a kind of entitled Chinese patent of automatic telescopic traction rope application No. is CN205320879U for this problem Opened a kind of structure, include shell and be arranged in the intracorporal traction rope of shell, traction rope in the intracorporal pulling plate of shell, and Pulling plate is driven traction rope to inside contract winding toward shell by the effect of wind spring, while a construction of switch is provided on shell, passes through Construction of switch can fix pulling plate, and traction rope is involved in shell by limitation pulling plate by the effect of wind spring, thus when traction After rope pulls out shell, then pulling plate can be limited to the traction rope length for pulling out shell by construction of switch after fixed, So that the traction rope length acted on pet is freely adjustable.

Construction of switch in above-mentioned patent include the switch base being fixed on shell, on switch base slip switch Slider and it is fixed on the switch oblique top actuating member that switch slider passes through switch base one end, by the position of slide switch slider, It can change the position of switch oblique top actuating member, become so that angle occurs for the rotation hook for being switched on and off the press of oblique top actuating member Change, in the locking in the angle change of rotation hook between realization and pulling plate or unlocks.

Although above-mentioned patent solves the use length of traction rope freely adjustable technical solution, however, in construction of switch Switch slider and switch oblique top actuating member using screw is directly fixed in such a way that, when assembling expend working hour do not say, and also It to complete to assemble by other tools, have much room for improvement.

Utility model content

The purpose of the utility model is to provide a kind of structure is simple, pet tractor easy to assembly.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of pet tractor, Including shell, it is rotatably connected on the intracorporal pulling plate of shell, the traction rope being wound in pulling plate, shell is stretched out in one end of traction rope, and It is provided with a wind spring for driving traction rope to wind into shell between shell and pulling plate, a revotating card is additionally provided in shell It hooks, the hook that restricted pulling plate is rotated by wind spring is set between the rotation hook and pulling plate and closes structure, the rotation hook and shell It is provided with the spring that a drive makes it away from pulling plate rotation between body, construction of switch, the construction of switch packet are provided on shell It includes the switch base being fixed on shell, the switch slider cooperated with switch base sliding and is fixed on switch slider and pass through switch Seat one end switch oblique top actuating member, the switch slider include slide head and across switch base to extension bar, to extension bar End is provided with oval clamp, and a shape size and the consistent oval card of oval clamp are provided on switch oblique top actuating member Hole, when construction of switch is in use state, the ellipse clamp passes through the two of oval card hole and oval clamp and oval card hole A long axis is in plumbness.

Preferably, the switch base is provided with the sliding slot of one and the slide head cooperation of switch slider and is arranged in cunning Groove center line passes through the recessing groove of switch base, pair that realization and switch oblique top actuating member after recessing groove are passed through to extension bar It connects.

Preferably, the length to extension bar is equal to oval the sum of card hole thickness and resigning slot thickness.

Preferably, the rotation hook includes turning end and hook end, and the turning end is by being arranged in shell Shaft realize that axis connects, curving of the hook towards pulling plate, being set to along its even circumferential interval in the pulling plate It limits and hooks, what the limit hooked is oriented the rotation direction of wind spring driving pulling plate, after rotation hook is rotated towards pulling plate, institute It states hook and limitation hooks and realizes that hook closes.

Preferably, the hook end is inclined-plane away from one end of turntable and the binding face of the oblique actuating member of switch dome.

Compared with the prior art, the fixed form between switch slider and the oblique actuating member of switch dome is changed, in installation When, it is only necessary to switch base first is passed through to extension bar by switch slider, oval card hole is then directed at by oval clamp and penetrates switch Oblique actuating member is pushed up, then 90 ° of the oblique actuating member in rotating switch top, can be achieved with the assembly between three, do not need to use other Tool, assembly are simple.And oval the sum of card hole thickness and resigning slot thickness are equal to the length of extension bar, thus when switch dome is tiltedly made Appliance on extension bar oval clamp twisting engage after, the oblique actuating member of switch dome will be unable to along the axial direction to extension bar Movement, mated condition are highly stable.

Detailed description of the invention

Fig. 1 is the overall appearance schematic diagram of embodiment pet tractor；

Fig. 2 is the schematic diagram of internal structure of embodiment pet tractor (in limitation rotary state)；

Fig. 3 is the schematic diagram of internal structure of embodiment pet tractor (in state is freely rotated)；

Fig. 4 is the explosive view of the shell and rotation hook and construction of switch in embodiment；

Fig. 5 is the construction of switch explosive view in embodiment.

In figure: 1, shell；11, rope outlet；12, slot is held；2, pulling plate；21, limit hooks；3, hook is rotated；31, hook； 4, spring；5, switch base；51, sliding slot；52, recessing groove；6, slider is switched；61, slide head；62, to extension bar；63, oval clamp； 7, the oblique actuating member of switch dome；71, oval card hole.

Specific embodiment

It is described in further detail with reference to the accompanying drawing and by specific embodiment to utility model, following embodiment only describes Property, it is not restrictive the protection scope of the utility model.

Embodiment

A kind of pet tractor, referring to attached drawing 1-5, including shell 1, the side of shell 1, which is provided with, holds slot 12, conveniently dotes on Owner people holds the device, and the other side is internally provided with the pulling plate 2 for being wound with traction rope, and is arranged between pulling plate 2 and shell 1 There is a wind spring for driving pulling plate 2 to wind traction rope, the end of traction rope is exposed the rope section out in shell 1 and is provided in the end Pet set, wind spring, traction rope and item set here is to draw, since those skilled in the art are according to documents and implementation The description of mode can understand the errorless scheme for obtaining these features, and these features are not done technology in this application and changed It is dynamic, the specific implementation of this programme is not influenced, therefore is omitted.

It is connected with revotating card in shell 1 and hooks 3, one end of rotation hook 3 towards pulling plate 2 is provided with hook 31, and is drawing The limit that has been provided at circumferentially spaced of disk 2 hooks 21, and when rotating hook 3 to after the rotation of 2 direction of pulling plate, limit can be hooked 21 by hook 31 It catches on, limitation pulling plate 2 is wound traction rope by the effect of wind spring.It is provided with a spring 4 between shell 1 and rotation hook 3, is driven It rotates the hook 31 for rotating hook 3 towards the direction far from pulling plate 2, and is additionally provided on shell 1 and rotates what hook 3 cooperated Construction of switch.

Construction of switch therein includes switch base 5, switch slider 6 and the oblique actuating member 7 of switch dome, and switch base 5 is with clamping Mode is mounted on shell 1, and sliding slot 51 is provided on switch base 5 and penetrates the recessing groove 52 of slippage slot.Slider 6 is switched to wrap The slide head 61 that sliding is connected on sliding slot 51 and the connecting rod across recessing groove 52 are included, is provided in the end of connecting rod ellipse Circle clamp 63, wherein the width of slide head 61 is consistent with the groove width of sliding slot 51, so that limit slippage head 61 can only along the chute 51 Length direction slides back and forth.Oval card hole 71, the size shape and ellipse of oval card hole 71 are offered on the oblique actuating member 7 of switch dome Clamp 63 is consistent, and after the connecting rod for switching slider 6 passes through recessing groove 52, oval clamp 63 penetrates oval card hole 71 again, it The oblique actuating member 7 in twist switch top afterwards, so that oval clamp 63 and two long axis of oval card hole 71 are in plumbness, realization is opened The secured clamping between seat 5, switch slider 6 and the oblique actuating member 7 of switch dome is closed, is assembled up very convenient.

When in use, slide switch slider 6, so that the oblique actuating member 7 of switch dome faces away from the direction of rotation hook 3 Movement, rotation hook 3 will rotate under the action of spring 4 with the movement of the oblique actuating member 7 of switch dome, and be directed away from pulling plate 2 direction rotation, until hook 31 and limit are hooked and be detached between 21, releasing rotates the locking shape between hook 3 and pulling plate 2 at this time State can pull traction rope, traction rope is pulled out to suitable length and then reverse slide slider, so that switch dome is tiltedly made The direction of appliance 7 towards rotation hook 3 moves, and rotation hook 3 will be rotated with the movement of the oblique actuating member 7 of switch dome, and court It is rotated to the direction of pulling plate 2, conjunction can be hooked until hook 31 hooks 21 with limit, unclamp again traction rope, pulling plate 2 is overturning certain angle It just will receive limit after degree to hook the cooperation of 21 and hook 31 and can not continue to wind traction rope under the action of torsional spring, at this point, Rotation hook 3 will be kept out by the oblique actuating member 7 of switch dome, and the end of the oblique actuating member in Simultaneous Switching top also will be by rotation hook 3 active forces to come and generate one with the oblique actuating member of switch dome close to switch 6 one end of slider rotation tend to power, however, this When the rotational freedom of the oblique actuating member of switch dome be restricted and can not rotate, thus, the oblique actuating member of switch dome, rotation hook and State between pulling plate three is stablized motionless at this moment, and the extension elongation of traction rope has just obtained fixation at this time.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (5)

1. a kind of pet tractor including shell, is rotatably connected on the intracorporal pulling plate of shell, the traction rope being wound in pulling plate, leads Shell is stretched out in one end of messenger, and a wind spring for driving traction rope to wind into shell is provided between shell and pulling plate, It is additionally provided with a rotation hook in shell, the hook that restricted pulling plate is rotated by wind spring is set between the rotation hook and pulling plate and is closed Structure, which is characterized in that the spring that a drive makes it away from pulling plate rotation is provided between the rotation hook and shell, in shell On be provided with construction of switch, the construction of switch includes the switch base being fixed on shell, opens with switch base sliding cooperation It closes slider and is fixed on the switch oblique top actuating member that switch slider passes through switch base one end, the switch slider includes slide head And oval clamp is provided with to the end of extension bar to extension bar across switch base, one is provided on switch oblique top actuating member Shape size and the consistent oval card hole of oval clamp, when construction of switch is in use state, the ellipse clamp passes through ellipse Circle card hole and ellipse clamp and two long axis of oval card hole are in plumbness.

2. a kind of pet tractor according to claim 1, which is characterized in that the switch base is provided with one and slides with switch The sliding slot and the recessing groove that sliding slot center line passes through switch base is arranged in that the slide head of button cooperates, described pass through to extension bar is stepped down It is realized after slot and switchs docking for oblique top actuating member.

3. a kind of pet tractor according to claim 2, which is characterized in that the length to extension bar is equal to oval card The sum of hole thickness and resigning slot thickness.

4. a kind of pet tractor according to claim 1, which is characterized in that the rotation hook includes turning end and card Hook end, the turning end is connect by setting in shell intracorporal shaft realization axis, the hook towards pulling plate curving, it is described The limit that is set in pulling plate along its even circumferential interval hooks, and what the limit hooked is oriented the rotation side of wind spring driving pulling plate To when rotating hook towards after pulling plate rotation, the hook and limitation hook and realize that hook closes.

5. a kind of pet tractor according to claim 4, which is characterized in that the hook end away from turntable one end with The binding face of the oblique actuating member of switch dome is inclined-plane.