CN206523113U - A kind of long steel tape - Google Patents

Abstract

The utility model discloses a kind of long steel tape, a kind of long steel tape includes chi disk, tape and drive tape coiling and the chi core rotating shaft that connection is rotated relative to chi disk, the chi disk is closed up by left and right two panels to be constituted, one end of the chi core rotating shaft is extended with a bearing, the bearing is provided with crank handle, the crank handle drives chi core rotating shaft to circumferentially rotate and rotated by a rotating shaft relative seat and connected, the fixed plate being fixedly connected with chi core rotating shaft is additionally provided between the chi core rotating shaft and crank handle, the fixed plate is provided with an abutting device for pushing against chi disk, the bearing direction pushes against the stopping means for being additionally provided with and being overturn for limiting crank handle relative seat to continue on device side, it is rotated further with position limiting ruler core rotating shaft, the advantage of convenient operation.

Description

A kind of long steel tape

Technical field

The utility model is related to a kind of engineering detecting equipment, more particularly to a kind of long steel tape.

Background technology

Existing long steel tape, by pulling tape, carries out ranging to measured object, during winding, chi is driven by crank handle Core axis of rotation gets up tape winding, is in place of the deficiencies in the prior art, when detecting distance, need to be shaken by holding always Handle limits being rotated further for chi core rotating shaft, after tape winding is got up, it is also possible to drive chi under the Action of Gravity Field of crank handle Core axis of rotation, makes its tape pull out one section, causes operation inconvenience.

Utility model content

The purpose of this utility model is to provide a kind of long steel tape, is rotated further with position limiting ruler core rotating shaft, convenient operation Advantage.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of long steel tape, including chi disk, tape and drive tape coiling and the chi core turn that connection is rotated relative to chi disk Axle, the chi disk is closed up by left and right two panels to be constituted, and one end of the chi core rotating shaft is extended with a bearing, and the bearing is provided with Crank handle, the crank handle drives chi core rotating shaft to circumferentially rotate and rotated by a rotating shaft relative seat and connected, and the chi core turns The fixed plate being fixedly connected with chi core rotating shaft is additionally provided between axle and crank handle, the fixed plate is used to push against chi disk provided with one Abutting device, the abutting device includes the fixed plate abutment roller being provided with and the limiting plate being fixed in abutment roller, solid Sliding groove and stopper slot that the confession abutment roller and limiting plate opened up in fixed board is slided, the limiting plate are sheathed on provided with one Abutment roller periphery and one section of abutting spring being connected with stopper slot, the abutment roller is in the case where abutting Spring driving, and one end is away from chi Disk, the other end extends fixed plate, by overturning crank handle, and abutment roller is driven, and its abutment roller one end is pushed against chi disk, The bearing direction pushes against the stopping means for being additionally provided with and being overturn for limiting crank handle relative seat to continue on device side.

Using said structure, driven by crank handle after the rotating shaft of chi core gets up tape winding, by crank handle using rotating shaft as Positive 180 ° of rotations are done in the center of circle, and crank handle one side is abutted with abutment roller, by abutment roller in the sliding groove in fixed plate to downslide Dynamic, one end firmly pushes against chi disk, and the spacing state in compression abutment roller of crank handle further is limited into its chi by stopping means Core rotating shaft is rotated further, it is to avoid crank handle rotates automatically, its tape is pulled out automatically, bring inconvenience；Need to pull open tape During row measurement, crank handle is done into reverse 180 ° of rotations by the center of circle of rotating shaft, its abutment roller is being abutted the elastic acting force of spring Under, it is lifted out, in chi panel surface, releasing to the spacing of fixed plate, making its chi core rotating shaft to continue to be rotated relative to chi disk, Move to after certain distance, continue through crank handle extruding abutment roller, make being rotated further for its abutment roller position limiting ruler core rotating shaft, so that Make its measurement result more accurate.

More preferably：The stopping means includes the bullet for being separately positioned on bearing both sides along along crank handle width The jump of ammunition feed spring is offered on the chute that the ammunition feed spring jumping bean opened up on spring jumping bean and bearing is slided, the crank handle both sides respectively The half slot of beans clamping, the spring jumping bean includes ball and one end is connected the spacing bullet that the other end is connected with chute with ball Spring.

Using said structure, when crank handle upset is compressed into abutment roller, crank handle abuts ball, in the elasticity of limit spring Under active force, ball is slipped under chute, and then the elastic acting force of limit spring, driving ball is caught in the semicircle on crank handle In groove, position-limiting action is carried out to crank handle, by setting two groups of spring jumping beans, strengthens the position-limiting action to crank handle.

More preferably：The abutment roller is provided with a cushion towards one end of chi disk.

Using said structure, by the cushion in abutment roller, by the elastic reaction of cushion, enhancing is grabbed to chi disk Clamp force, it also avoid abutment roller and chi panel surface is caused to scratch.

More preferably：Chi disk upper end extension one is shaken hands, it is described shake hands on offer and some facilitate what hand was firmly grasped Groove.

Using said structure, by shaking hands on some grooves for opening up, facilitate staff to firmly grasp and shake hands, be easy to operation, Meet body mechanics.

More preferably：The chi disk lower end is provided with taper gland, the taper gland and is additionally provided with a protection Set.

Using said structure, by the taper gland of chi disk lower end, it is more prone to fixed point and fix, measure more accurate Really, and then by protective case taper gland is protected, it is to avoid the sharp portion of taper gland is hurted sb.'s feelings.

More preferably：Two guide rollers for being used to be oriented to tape are additionally provided with the chi disk.

Using said structure, tape is oriented to by guide roller, it is to avoid tape pull out or wrapup procedure in, run Partially, distort.

More preferably：Described tape one end is provided with metal draw ring.

Using said structure, by metal draw ring, on the one hand staff is facilitated to pull out tape, it is another conveniently to avoid Tape is all rolled into chi disk in wrapup procedure.

In summary, the utility model has the advantages that：

1st, abutment roller is extruded by crank handle, and then pushes against chi disk, limit the rotation of chi core rotating shaft, reach convenient operation, Measurement result more accurately effect；

2nd, the cushion set by abutment roller one end, reaches the grasp between increase abutment roller and chi disk, protects chi Panel surface effect without damage.

Brief description of the drawings

Fig. 1 is the structural representation of the present embodiment, shows overall structure；

Fig. 2 is the enlarged diagram at A in Fig. 1, shows the attachment structure of crank handle and stopping means；

Fig. 3 is the partial sectional view of the present embodiment, shows the structure of meeting device.

In figure, 1, chi disk；2nd, tape；3rd, chi core rotating shaft；4th, bearing；5th, crank handle；6th, rotating shaft；7th, device is pushed against；71st, support Connect roller；72nd, limiting plate；73rd, spring is abutted；74th, sliding groove；75th, stopper slot；76th, cushion；8th, spring jumping bean；81st, spacing bullet Spring；82nd, ball；9th, half slot；10th, shake hands；11st, guide roller；12nd, metal draw ring；13rd, fixed plate；14th, chute；15th, taper is solid Determine head；16th, protective case.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected in protection domain of the present utility model by Patent Law.

A kind of long steel tape, as Figure 1-3, including be made up of two pieces of left and right panel chi disk 1, in the middle of chi disk 1 Tape 2 and drive the coiling of tape 2 and relative chi disk 1 rotates the chi core rotating shaft 3 of connection, the one end of chi core rotating shaft 3 is provided with admittedly Fixed board 13 and crank handle 5, the upper end of chi disk 1 are extended with one and shake hands 10, lower end be fixed with one be used for position taper gland 15。

Above-mentioned chi core rotating shaft 3 is towards a support is fixed with the one end of fixed plate 13, and crank handle 5 passes through a rotating shaft 6 and support Connection is rotated, fixed plate 13 is abutted by an abutting device 7 with chi disk 1, pushes against the abutment roller that device 7 is set in fixed plate 13 71 and the limiting plate 72 and fixed plate 13 that are fixed in abutment roller 71 on the confession abutment roller 71 that opens up and limiting plate 72 slide Sliding groove 74 and stopper slot 75, be arranged with one or two end outside abutment roller 71 and be fixedly connected respectively with limiting plate 72 and stopper slot 75 Abutting spring 73, drive the one end of abutment roller 71 away from chi disk 1 by abutting the elastic acting force of spring 73, the other end extends The outside of fixed plate 13, by the way that crank handle 5 is rotated into 180 ° for the center of circle with rotating shaft 6, the one side of crank handle 5 is supported with the one end of abutment roller 71 Touch, the other end of abutment roller 71 is pushed against on chi disk 1, so that its chi core rotating shaft 3 can not be rotated further with respect to chi disk 1, wherein, Abutment roller 71 is towards being fixed with a cushion 76 on one end of chi disk 1.

The stopping means that above-mentioned bearing 4 continues to overturn towards the side of abutment roller 71 provided with spacing crank handle 5, spacing dress The ammunition feed spring opened up along along the spring jumping bean 8 and bearing 4 of the width both sides of crank handle 5 by being separately positioned on bearing 4 is put to jump The chute 14 that beans 8 are slided is constituted, and spring jumping bean 8 fixes what the other end was fixed with chute 14 by ball 82 and one end with ball 82 Limit spring 81 is constituted, and the relative seat 4 of crank handle 5 is overturn into 180 °, is contradicted after abutment roller 71, is passed through the spacing bullet in the both sides of bearing 4 The elastic acting force of spring 81, makes its ball 82 be caught in the half slot 9 of the both sides of crank handle 5, the continuation upset of limitation crank handle 5, It is caught in half slot 9, can be facilitated under the promotion of external force by ball 82, crank handle 5 contradicts or departed from abutment roller 71.

Above-mentioned shake hands is further opened with some grooves on 10, facilitates staff's finger to be absorbed in groove, and crawl shakes hands 10, enters One step prevents long steel tape from departing from the control of staff, is easy to staff to operate.

Because the one end of taper gland 15 is into sharp portion, when or else needing detecting distance, may to staff or Other articles are damaged, and be sheathed on by a protective case 16 in taper gland 15, the sharp portion of taper gland 15 is entered Row protection.

Two guide rollers 11 are wherein additionally provided with chi disk 1, tape 2 is led through two guide rollers 11 by tape 2 To making its tape 2 more easily wind or pull out, it is to avoid the distortion of tape 2 is rolled into one；Tape 2 is further fixed on one end One metal draw ring 12, facilitates staff to pull tape 2 and measures by metal draw ring 12.

Operation principle：During detecting distance, staff pulls metal draw ring 12, and tape 2 is pullled and reached after certain distance, Crank handle 5 is overturn 180 ° for center of circle relative seat 4 with rotating shaft 6, its crank handle 5 is simultaneously contradicted abutment roller 71, by abutment roller The cushion 76 of 71 one end is even at the cost of one's life on chi disk 1, and then 4 liang of lateral spring jumping beans 8 of bearing are caught in the half slot 9 on crank handle 5, Being rotated further for crank handle 5 is limited, so as to limit being rotated further for chi core rotating shaft 3, tape 2 can not continue to pull out, and survey it Measure result more accurate；Surveyed distance need to by tape 2 winding get up when, the relative seat 4 of crank handle 5 is overturn 180 °, it is supported Roller 71 is connect in the case where abutting the elastic acting force of spring 73,3 turns of chi core rotating shaft is driven away from chi disk 1, then by rotating crank handle 5 It is dynamic, the winding of tape 2 is got up, and then by the way that the relative seat 4 of crank handle 5 is overturn into 180 °, by the cushion 76 in abutment roller 71 Chi disk 1 is pushed against, being rotated further for chi core rotating shaft 3 is limited.

Claims (7)

1. a kind of long steel tape, including chi disk (1), tape (2) and drive tape (2) coiling and relative chi disk (1) rotates company The chi core rotating shaft (3) connect, the chi disk (1) is closed up by left and right two panels to be constituted, it is characterized in that：The one of the chi core rotating shaft (3) End is extended with a bearing (4), and the bearing (4) is provided with crank handle (5), and the crank handle (5) drives chi core rotating shaft (3) circumferential Rotate and by a rotating shaft (6) relative seat (4) rotate connect, be additionally provided between the chi core rotating shaft (3) and crank handle (5) and The fixed plate (13) that chi core rotating shaft (3) is fixedly connected, the fixed plate (13) fills provided with an abutting for being used to push against chi disk (1) Put (7), abutment roller (71) and be fixed in abutment roller (71) that the abutting device (7) is provided with including fixed plate (13) Sliding groove (74) and limit that the confession abutment roller (71) and limiting plate (72) opened up on limiting plate (72), fixed plate (13) is slided Position groove (75), the limiting plate (72) provided with one be sheathed on abutment roller (71) it is peripheral and one section with supporting that stopper slot (75) is connected Spring (73) is connect, the abutment roller (71) is in the case where abutting spring (73) driving, and one end is away from chi disk (1), and the other end extends solid Fixed board (13), by overturning crank handle (5), is driven to abutment roller (71), its abutment roller (71) one end is pushed against chi disk (1), bearing (4) direction pushes against to be additionally provided with device (7) side continues to turn over for limiting crank handle (5) relative seat (4) The stopping means turned.

2. a kind of long steel tape according to claim 1, it is characterized in that：The stopping means includes being separately positioned on bearing (4) the ammunition feed spring jumping bean (8) opened up along along crank handle (5) width on the spring jumping bean (8) and bearing (4) of both sides is slided Chute (14), the half slot (9) of ammunition feed spring jumping bean (8) clamping, the spring are offered on crank handle (5) both sides respectively Jumping bean (8) includes ball (82) and one end is connected the limit spring (81) that the other end is connected with chute (14) with ball (82).

3. a kind of long steel tape according to claim 2, it is characterized in that：The abutment roller (71) is towards the one of chi disk (1) End is provided with a cushion (76).

4. a kind of long steel tape according to claim 3, it is characterized in that：(10) are shaken hands in chi disk (1) the upper end extension one, Described shake hands offers some grooves for facilitating hand to firmly grasp on (10).

5. a kind of long steel tape according to claim 4, it is characterized in that：Chi disk (1) lower end is provided with taper gland (15), it is additionally provided with a protective case (16) on the taper gland (15).

6. a kind of long steel tape according to claim 5, it is characterized in that：Two are additionally provided with the chi disk (1) is used for chi The guide roller (11) that band (2) is oriented to.

7. a kind of long steel tape according to claim 6, it is characterized in that：Described tape (2) one end is provided with metal draw ring (12)。