CN210346542U

CN210346542U - Handheld wheeled distancer

Info

Publication number: CN210346542U
Application number: CN201921359685.3U
Authority: CN
Inventors: 张大忠; 卢晓波; 汪道志; 盛盈; 王伯涛; 高勇锋
Original assignee: Hangzhou Jingwei Surveying And Mapping Co Ltd
Current assignee: Hangzhou Jingwei Surveying And Mapping Co Ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-04-17
Anticipated expiration: 2029-08-20

Abstract

The utility model belongs to the technical field of the engineering survey technique and specifically relates to a handheld wheeled distancer is related to. The slope takes place easily when personnel measure and leads to skew original measuring direction, this scheme includes the mobile jib, connect the handle in mobile jib one end, connect the range finding wheel at the mobile jib other end, connect the counter that is used for the record measuring distance on the mobile jib, connect the bracing piece that is used for supporting the mobile jib on the mobile jib, seted up on the bracing piece and run through the groove, it has the axis of rotation to run through inslot sliding connection, be connected with the supporting wheel that is used for butt ground in the axis of rotation, be equipped with the locking piece that is used for locking the axis of rotation at. The scheme can reduce the possibility of inclination of a person during measurement.

Description

Handheld wheeled distancer

Technical Field

The utility model belongs to the technical field of the engineering survey technique and specifically relates to a handheld wheeled distancer is related to.

Background

The wheel type distance measuring instrument is one of distance measuring instruments and is mainly designed and manufactured for outdoor distance measurement. The handheld wheel type distance measuring instrument is long in measuring distance, and the digital display system is clear and accurate, so that the handheld wheel type distance measuring instrument is widely used for measuring and evaluating construction operations such as road engineering, pipeline laying engineering, professional surveying and mapping, and the like, and has the advantages of time saving and convenience, and is discovered and utilized by more and more people.

The current chinese patent with publication number CN202057275U discloses a wheel-type distance measuring instrument, which comprises a handle, a support rod, a walking wheel, a counter and a support frame, wherein the handle is fixed on the upper part of the support rod, the walking wheel and the counter are arranged on the lower part of the support rod, and the support frame is used for supporting the wheel-type distance measuring instrument when the wheel-type distance measuring instrument is parked.

However, the conventional handheld wheel type distance measuring instrument is easy to incline when a person measures, and the measurement deviation is overlarge, so that the handheld wheel type distance measuring instrument needs to be designed, and the person is difficult to incline when measuring.

Disclosure of Invention

The utility model aims at providing a handheld wheeled distancer reduces the possibility that personnel took place to incline when measuring.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a handheld wheeled distancer, includes the mobile jib, connects at the handle of mobile jib one end, connects at the distancer wheel, the bracing piece of connection be used for supporting the mobile jib on the mobile jib of connection that the connection is used for the counter of record measuring distance on the mobile jib, set up on the bracing piece and run through the groove, it has the axis of rotation to run through inslot sliding connection, be connected with the supporting wheel that is used for butt ground in the axis of rotation, be equipped with the locking piece that is used for locking the axis of rotation and runs through the inslot.

By adopting the technical scheme, the supporting rod can be abutted against the ground, so that the supporting rod can support the main rod, the handheld wheel type distance measuring instrument can measure the distance under the condition of keeping stable support, and the possibility of inclination of personnel during measurement is reduced;

the supporting rod is provided with a supporting wheel which can reduce the friction force of the handheld wheel type distance meter moving under the supporting action;

the support wheels are arranged in a sliding manner, so that the function conversion of the support rod is realized, and when the ground is a horizontal ground surface, the support wheels are locked at the bottom ends of the support rods, so that the main rod can be supported; when ground is the slope of slope, the supporting wheel locking can make handheld wheeled distancer take place to remove in the bottom of bracing piece, so slide the supporting wheel and lock to other positions of bracing piece, make the bracing piece direct and ground butt, the frictional force on increase bracing piece and ground reduces handheld wheeled distancer and takes place the possibility of removing.

The utility model discloses further set up to: the bracing piece sets up two spinal branch poles in the range finding wheel both sides including the symmetry, all sets up the through groove that extends along branch length direction on two spinal branch poles, it all slides in the inslot and is provided with the axis of rotation to run through, all be connected with the supporting wheel in the axis of rotation.

Through adopting above-mentioned technical scheme, two spinal branch symmetries set up in the both sides of range finding wheel, and two spinal branch poles all are provided with the supporting wheel, and the supporting wheel butt is in ground, makes the axis direction of range finding wheel parallel as far as possible with ground, makes the range finding wheel keep vertical state to improve the measurement accuracy of range finding wheel.

The utility model discloses further set up to: the supporting wheels on the two supporting rods share one rotating shaft.

Through adopting above-mentioned technical scheme, drive a axis of rotation and slide in the through groove, can accomplish the synchronous slip of two supporting wheels, improve the operation convenience.

The utility model discloses further set up to: the locking piece is connected on branch including rotating and is used for locking the axis of rotation at the telescopic link that runs through groove one end, be fixed with the kelly of locking telescopic link on the branch, the telescopic link includes flexible interior pole, flexible outer pole and sets up the elastic component between flexible interior pole and the flexible outer pole, the slip of flexible interior pole sets up in flexible outer pole, the elastic component is in compression state all the time, be equipped with the stop device who is used for preventing flexible interior pole from breaking away from flexible outer pole in the flexible outer pole.

Through adopting above-mentioned technical scheme, when needing to lock the axis of rotation, the operation telescopic link rotates, make the telescopic link with the axis of rotation locking run through groove one end, when the telescopic link rotates to kelly position, press down flexible interior pole make flexible interior pole indentation flexible outer pole in, so the telescopic link can not interfere by the kelly and rotate kelly one side, flexible interior pole passes through behind the kelly, flexible interior pole is to keeping away from flexible outer pole direction under the effect of elastic component and removes, make the telescopic link resume initial length, so the kelly forms the locking to the telescopic link, thereby realize the locking of axis of rotation, stop device can reduce the condition emergence that flexible interior pole popped out flexible outer pole under the elastic component effect.

The utility model discloses further set up to: the limiting device comprises a clamping block fixed at one end of the telescopic inner rod close to the elastic part and a clamping ring fixed at the opening of the telescopic outer rod and used for preventing the clamping block from being separated from the telescopic outer rod.

Through adopting above-mentioned technical scheme, flexible interior pole can remove to keeping away from flexible outer pole direction under the elastic component effect, and when flexible interior pole was about to pop out flexible outer pole, the fixture block can be blockked by the snap ring to prevent popping out of flexible interior pole, the condition that the pole popped out flexible outer pole in the reduction is flexible under the elastic component effect takes place, and the use is simple and convenient.

The utility model discloses further set up to: and friction grains are arranged at one end of the telescopic inner rod, which is far away from the telescopic outer rod.

Through adopting above-mentioned technical scheme, increase the frictional force of hand and the contact of pole in stretching out and drawing back, the condition that the pole takes off the hand when pressing when reducing to stretch out and draw back takes place.

The utility model discloses further set up to: the utility model discloses a bracing piece, including the mobile jib, bracing piece, the setting is rotated on the mobile jib to the bracing piece, be fixed with the dog that is used for restricting bracing piece turned angle on the mobile jib, the bracing piece is in operating position when the bracing piece butt in dog, is in folding position when the bracing piece breaks away from ground to support tightly in the mobile jib, be equipped with the locking mechanism who is used for locking.

By adopting the technical scheme, the position of the supporting rod is adjusted by the rotary arrangement of the supporting rod; when the handheld wheel type distance measuring instrument is used for measuring, the stop block can limit the rotating angle of the supporting rod and is fixed through the locking mechanism, so that the supporting rod can support at a proper position, when the handheld distance measuring instrument needs to be carried, the supporting rod can be rotated to a folding position far away from the ground, the supporting rod is fixed under the action of the locking mechanism, and the whole structure of the handheld wheel type distance measuring instrument is enabled to be compact, so that the handheld wheel type distance measuring instrument is convenient to carry.

The utility model discloses further set up to: the locking mechanism comprises a stretching elastic piece, one end of the stretching elastic piece is fixed on the main rod, the other end of the stretching elastic piece is fixed on the supporting rod, and when the supporting rod is in the working position, the stretching elastic piece enables the supporting rod to be abutted against the stop block; when the supporting rod is in the folding position, the elastic piece is stretched to enable the supporting rod to be tightly abutted against the main rod.

By adopting the technical scheme, the support rod is locked by stretching the elastic piece, so that the locking device is simple and convenient and is convenient to operate; when the support rod needs to be transported or carried, the support rod is rotated to a position far away from the ground, namely a folding position, and the elastic piece is stretched to provide acting force for the support rod to tightly abut against the main rod; when the bracing piece was at operating position, tensile bullet spare provided the bracing piece to support the effort tight in the dog, realized the bracing piece in operating position's fixed.

The utility model discloses further set up to: the support rod is provided with a clamping piece used for clamping the main rod at a folding position.

Through adopting above-mentioned technical scheme, when needs are transported or are carried, rotate the bracing piece to the position of keeping away from ground, the fastener can the joint on the mobile jib, improves the fixed effect of bracing piece in folding position, reduces the condition emergence that the bracing piece breaks away from the mobile jib when transporting or carrying.

To sum up, the utility model discloses a beneficial technological effect does:

1. the supporting rod can be abutted against the ground, so that the supporting rod can support the main rod, and the handheld wheel type distance measuring instrument can measure the distance under the condition of keeping stable support, thereby reducing the possibility of inclination of personnel during measurement;

2. the supporting rod is provided with a supporting wheel which can reduce the friction force of the handheld wheel type distance meter moving under the supporting action; the support wheels are arranged in a sliding manner, so that the function conversion of the support rod is realized, and when the ground is a horizontal ground surface, the support wheels are locked at the bottom ends of the support rods, so that the main rod can be supported; when the ground is an inclined slope, the supporting wheel is locked at the bottom end of the supporting rod, so that the handheld wheel type distance meter can move, the supporting wheel slides to other positions of the supporting rod, the supporting rod is directly abutted against the ground, the friction force between the supporting rod and the ground is increased, and the possibility of movement of the handheld wheel type distance meter is reduced;

3. two spinal branch symmetries set up in the both sides of range finding wheel, and two spinal branch are all supported in ground, make the axis direction of range finding wheel parallel as far as possible with ground, make the range finding wheel keep vertical state to improve the measurement accuracy of range finding wheel.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the support rod;

fig. 3 is a right side view of the present invention;

fig. 4 is a schematic cross-sectional view taken at a-a in fig. 3.

In the figure, 1, a main rod; 11. a rod is arranged; 12. a lower rod; 13. a spring; 2. a handle; 3. a transition piece; 4. a distance measuring wheel; 5. a counter; 6. a support bar; 61. an intermediate lever; 62. a strut; 621. a through groove; 622. a rotating shaft; 623. a support wheel; 7. a locking mechanism; 71. stretching the elastic piece; 72. a stopper; 8. a fastener; 9. a telescopic rod; 91. a telescopic outer rod; 92. a telescopic inner rod; 93. an elastic member; 94. a limiting device; 941. a clamping block; 942. a snap ring; 95. a clamping rod; 96. rubbing the lines; 10. a locking member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a handheld wheel-type distance measuring instrument comprises a main rod 1, wherein the main rod 1 comprises an upper rod 11, a lower rod 12 and a transition piece 3, the upper rod 11 is rotatably connected with the lower rod 12, the transition piece 3 is fixed at the bottom end of the lower rod 12, a spring 13 is fixed between the bottom end of the upper rod 11 and the top end of the lower rod 12, and the spring 13 is used for providing locking force for the upper rod 11 and the lower rod 12 at a working position and a folding position. The top fixedly connected with handle 2 of upper boom 11, the bottom of transition piece 3 is rotated and is connected with range finding wheel 4, still is connected with counter 5 on the mobile jib 1, and counter 5 is used for the record measuring distance.

As shown in fig. 1 and 4, a support rod 6 for supporting the main rod 1 is disposed on a side wall of the transition piece 3, the support rod 6 includes an intermediate rod 61, the intermediate rod 61 passes through side walls of two ends of the transition piece 3 and is rotatably connected to a top end of the transition piece 3, and two support rods 62 are respectively fixed at two ends of the intermediate rod 61. The main rod 1 is provided with a locking mechanism 7, and the locking mechanism 7 is used for locking the position of the support rod 6. The locking mechanism 7 comprises a stretching elastic piece 71, one end of the stretching elastic piece 71 is fixed on the side wall of the supporting rod 62, the other end of the stretching elastic piece 71 is fixed on the side wall of the transition piece 3, a stop block 72 is further fixed on the side wall of the transition piece 3, and when the supporting rod 6 is located at the working position, the stretching elastic piece 71 provides an acting force for the supporting rod 6 to rotate towards the direction close to the ground, so that the supporting rod 62 is tightly abutted against the stop block 72; fastener 8 is fixed between two branches 62, and when the bracing piece 6 was located folding position, tensile bullet piece 71 provided bracing piece 6 to keeping away from ground direction pivoted effort, made fastener 8 joint on mobile jib 1, realized the locking of bracing piece 6 when carrying.

The side wall of the support rod 62 along the axial direction of the distance measuring wheel 4 is provided with a through groove 621, and the through groove 621 extends along the length direction of the support rod 62. A rotating shaft 622 is slidably connected to the through groove 621, and two supporting wheels 623 are rotatably connected to two ends of the rotating shaft 622, respectively. The support bar 6 is provided with a locking member 10 (shown in fig. 2), and the locking member 10 is used for locking the position of the rotating shaft 622 in the through groove 621. Locking piece 10 includes telescopic link 9 and kelly 95, rotates on the lateral wall of branch 62 to be connected with two telescopic links 9, and two telescopic links 9 are located the top and the below that run through groove 621 respectively, are fixed with two kellies 95 on the lateral wall of branch 62. Telescopic link 9 is including flexible outer pole 91 and flexible interior pole 92, and sliding sleeve is equipped with flexible interior pole 92 in flexible outer pole 91, has placed elastic component 93 in the flexible outer pole 91, and elastic component 93 one end is fixed on flexible interior pole 92, and the other end of elastic component 93 is fixed in the inside bottom of flexible outer pole 91, and elastic component 93 is in the compression state all the time.

As shown in fig. 1 and 4, the telescopic outer rod 91 is rotated to drive the telescopic inner rod 92 to move, when the telescopic inner rod 92 moves to the position of the clamping rod 95, the telescopic inner rod 92 is pressed to move into the telescopic outer rod 91, the telescopic inner rod 92 retracts into the telescopic outer rod 91, the telescopic inner rod 92 passes through the clamping rod 95, after the telescopic inner rod 92 passes through the clamping rod 95, the telescopic inner rod 92 moves towards the direction away from the telescopic outer rod 91 under the action of the elastic member 93, so that the telescopic rod 9 recovers the initial length, the telescopic inner rod 92 abuts against the clamping rod 95, the rotating shaft 622 is locked at the top end or the bottom end of the through groove 621, and the supporting wheel 623 is locked.

As shown in fig. 4, a stopper 94 is provided in the outer telescopic rod 91, and the stopper 94 is used to prevent the inner telescopic rod 92 from being separated from the outer telescopic rod 91. The position limiting device 94 includes a latch 941 fixed at one end of the inner telescopic rod 92 and a snap ring 942 fixed at one end of the outer telescopic rod 91. The telescopic inner rod 92 moves in a direction away from the telescopic outer rod 91 under the action of the elastic member 93, and when the telescopic inner rod 92 is about to pop out the telescopic outer rod 91, the fixture block 941 abuts against the clamp ring 942, so that the telescopic inner rod 92 is prevented from popping out.

One end of the telescopic inner rod 92, which is far away from the telescopic outer rod 91, is provided with friction grains 96, so that the friction force between the hand and the telescopic inner rod 92 is increased.

The working process is as follows:

when the hand-held wheel type distance measuring instrument needs to be supported, the rotating shaft 622 is slid to one end, close to the middle rod 61, of the through groove 621, the telescopic outer rod 91 is rotated, the telescopic inner rod 92 is pressed, the telescopic inner rod 92 abuts against the clamping rod 95, the rotating shaft 622 is locked at one end, close to the middle rod 61, of the through groove 621, the supporting rod 6 is rotated towards the ground, and the supporting rod 6 abuts against the stop block 72 under the action of the stretching elastic piece 71;

when the hand-held wheel type distance measuring instrument is used for measuring, the rotating shaft 622 is slid to one end, far away from the middle rod 61, of the through groove 621, the telescopic outer rod 91 is rotated, the telescopic inner rod 92 is pressed, the telescopic inner rod 92 abuts against the clamping rod 95, and therefore the rotating shaft 622 is locked at one end, far away from the middle rod 61, of the through groove 621; the supporting rod 6 is rotated to be close to the ground, so that the supporting rod 6 is abutted against the stop block 72 under the action of the stretching elastic piece 71, the handheld wheel type distance meter is used for measuring the distance under the condition of keeping stable support, and the possibility of inclination of personnel during measurement is reduced;

when the transportation or the carrying of handheld wheeled distancer need be carried out, rotate bracing piece 6 to keeping away from ground, make 8 joints of fastener on mobile jib 1, tensile bullet piece 71 also provides fastener 8 and supports the effort tight in mobile jib 1, realizes the locking of bracing piece 6.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a handheld wheeled distancer, includes mobile jib (1), connects handle (2) in mobile jib (1) one end, connects at distance measuring wheel (4) of mobile jib (1) other end, connects counter (5) that are used for the record to measure the distance on mobile jib (1), connects bracing piece (6) that are used for supporting mobile jib (1) on mobile jib (1), its characterized in that: the supporting rod (6) is provided with a through groove (621), the through groove (621) is internally and slidably connected with a rotating shaft (622), the rotating shaft (622) is connected with a supporting wheel (623) used for being abutted to the ground, and the supporting rod (6) is provided with a locking piece (10) used for locking the position of the rotating shaft (622) in the through groove (621).

2. A hand-held wheeled rangefinder as claimed in claim 1 wherein: the utility model discloses a range finding wheel, including the bracing piece (6), set up two spinal branch poles (62) of range finding wheel (4) both sides including the symmetry, all set up on two spinal branch poles (62) along the groove (621) that runs through that branch pole (62) length direction extends, it is provided with axis of rotation (622) all to slide in groove (621) to run through, all be connected with supporting wheel (623) on axis of rotation (622).

3. A hand-held wheeled rangefinder as claimed in claim 2, wherein: the supporting wheels (623) on the two struts (62) share a rotating shaft (622).

4. A hand-held wheeled rangefinder as claimed in claim 3 wherein: locking piece (10) are connected including rotating and are used for crossing telescopic link (9) of groove (621) one end with axis of rotation (622) locking on branch (62), be fixed with kelly (95) of locking telescopic link (9) on branch (62), telescopic link (9) are including flexible interior pole (92), flexible outer pole (91) and set up elastic component (93) between flexible interior pole and the flexible outer pole, slide and set up in flexible outer pole (91) interior pole (92) and set up, elastic component (93) are in compression state all the time, be equipped with stop device (94) that are used for preventing flexible interior pole (92) to break away from flexible outer pole (91) in flexible outer pole (91).

5. A hand-held wheeled rangefinder as claimed in claim 4 wherein: stop device (94) are fixed in fixture block (941) of flexible inner rod (92) near elastic component (93) one end, are fixed in snap ring (942) that flexible outer pole (91) opening part just prevented fixture block (941) from breaking away from flexible outer pole (91).

6. A hand-held wheeled rangefinder as claimed in claim 5 wherein: one end of the telescopic inner rod (92) far away from the telescopic outer rod (91) is provided with friction grains (96).

7. A hand-held wheeled rangefinder as claimed in claim 1 wherein: bracing piece (6) rotate the setting on mobile jib (1), be fixed with dog (72) that are used for restricting bracing piece (6) turned angle on mobile jib (1), bracing piece (6) are in operating position when bracing piece (6) butt in dog (72), are in folding position when bracing piece (6) break away from ground to support tightly in mobile jib (1), be equipped with locking mechanism (7) that are used for locking bracing piece (6) at operating position and folding position on mobile jib (1).

8. A hand-held wheeled rangefinder as claimed in claim 7 wherein: the locking mechanism (7) comprises a stretching elastic piece (71), one end of the stretching elastic piece (71) is fixed on the main rod (1), the other end of the stretching elastic piece (71) is fixed on the supporting rod (62), and when the supporting rod (6) is in the working position, the stretching elastic piece (71) enables the supporting rod (6) to be tightly abutted to the stop block (72); when the support rod (6) is in the folding position, the elastic piece (71) is stretched to enable the support rod (6) to be tightly abutted against the main rod (1).

9. A hand-held wheeled rangefinder as claimed in claim 8 wherein: the support rod (6) is provided with a clamping piece (8) used for clamping the main rod (1) at a folding position.