CN102133463A - Weight adjusting device with screwing type guiding sleeve - Google Patents
Weight adjusting device with screwing type guiding sleeve Download PDFInfo
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- CN102133463A CN102133463A CN 201110008816 CN201110008816A CN102133463A CN 102133463 A CN102133463 A CN 102133463A CN 201110008816 CN201110008816 CN 201110008816 CN 201110008816 A CN201110008816 A CN 201110008816A CN 102133463 A CN102133463 A CN 102133463A
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- support piece
- guide pin
- end cap
- adjusting
- upper support
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Abstract
The invention discloses a weight adjusting device with a screwing type guiding sleeve, and aims at providing a weight adjusting device which is characterized in that an adjusting screw rod and two guiding sleeves moving reversely can be adjusted to be matched with each other, the adjusting structure is simple, the use is convenient, rapid and reliable. Counter weight block placing grooves corresponding to an opening groove on a counter weight block are arranged outside an upper support block and a lower support block, and adjacent counter weight block placing grooves are separated by a boss, and a guide pillar travelling channel is arranged in the upper support block; the adjusting screw rod is arranged in a handle sleeve, the two guiding sleeves with opposite spiral inner threads are arranged between the adjusting screw rod and the handle sleeve, each guiding sleeve is connected with a guide pillar, and is in threaded connection with the adjusting screw rod, an outer end cover is fixedly connected with the outer end of the adjusting screw rod, one ends of the upper support block and the lower support block are connected with the outer end cover, the other ends of the upper support block and the lower support block are connected with an inner end cover, one end of the adjusting screw rod is fixedly connected with a screwing cover, an adjusting spring is arranged in the screwing cover, a positioning plate is arranged between the screwing cover and the outer end cover, a plurality of positioning holes are arranged in the positioning plate, and a steel ball corresponding to the positioning hole is arranged between the adjusting spring and the positioning plate.
Description
Technical field
The present invention relates to a kind of guide pin bushing revolving type weight adjusting device.
Background technology
Modern life make people more pay attention to day by day improve the health, and the quickening of rhythm of life makes the sports enthusiast have higher requirement to the demand and the instructions for use of equipment.People not only reach the purpose of exercise, and the equipment that also needs institute to choose and use has bigger controllability and adaptability.
At present, the simple and easy dumbbell of regulating of market sale is mainly worn an adjustment type based on serial connection, and as various forms of combined type dumbbells, this adjustment structure is very loaded down with trivial details, and time-consuming.Though serve the dumbbell regulated of high-end market bigger adjusting flexibility is arranged, complex structure causes costing an arm and a leg, and the difficulty of promoting to masses is bigger.
In a word, certain choice is arranged, many imperfection parts are still arranged in the existing product, be further improved though make a general survey of existing kind and controllability aspect, market about dumbbell.
Summary of the invention
The present invention is in order to overcome weak point of the prior art, provide a kind of with regulating the revolving type weight regulative mode that leading screw cooperates with heterodromous two guide pin bushings, realization is regulated the mentioning of a plurality of weight blocks, release and weight, adjustment structure is simple, counterweight adjusting device easy to use, quick, reliable.
The present invention is achieved through the following technical solutions:
A kind of guide pin bushing revolving type weight adjusting device, it is characterized in that, comprise taper knob, two bearing units, counterweight adjusting mechanism and balancing weights, described balancing weight comprises disk shape body, described body center is provided with centre bore, body is provided with open slot, and described open slot radially passes centre bore and to a side opening; Described counterweight adjusting mechanism comprises spiral cover, regulating spring, steel ball, location-plate, adjusting leading screw, two guide pin bushings and two guide pillars, described bearing unit comprises outer end cap, inner end cap, upper support piece and lower support piece, described upper support piece and lower support piece outside are respectively arranged with the corresponding balancing weight of balancing weight upper shed groove and lay groove, adjacent balancing weight is laid between the groove and is separated by boss, and described upper support piece inside is provided with guide pillar walking passage; The adjusting leading screw is installed in the described taper knob, between described adjusting leading screw and the taper knob two opposite guide pin bushings of internal thread direction are installed, two guide pin bushings are connected with the adjusting threads of lead screw respectively, each guide pin bushing is connected with placing the interior corresponding guide pillar of upper support piece upper guide post walking passage, described outer end cap is fixedlyed connected with the outer end of regulating leading screw, described upper support piece is fixedlyed connected with described outer end cap respectively with lower support piece one end, and the other end of described upper support piece and lower support piece is connected with inner end cap respectively; One end of described adjusting leading screw is fixedlyed connected with spiral cover, in the described spiral cover regulating spring is installed, between the outer end cap of a described spiral cover and a corresponding side location-plate is installed, described location-plate is provided with a plurality of locating holes, be equipped with between described regulating spring and the location-plate and the corresponding steel ball of locating hole, the diameter of described guide pin bushing is less than the diameter of the balancing weight centre bore width greater than open slot, and the diameter of described adjusting leading screw and guide pillar is less than the open slot width on the weight block.
Be respectively arranged with corresponding guide pillar installing hole with guide pillar initial position corresponding upper support piece top and inner end cap.
Described spiral cover is provided with counterweight numerical value, and the outer end cap of a corresponding side with spiral cover is provided with the counterweight mark.
Each inner end cap outside is equipped with deckboard.
Described inner end cap is enclosed within the groove of taper knob end.
The present invention has following technique effect:
Weight adjusting device of the present invention will be regulated leading screw and be cooperated realization directly to move the weight adjusting that the translation kind of drive is used for dumbbell with heterodromous two guide pin bushings, overcome the functional defect of common dumbbell weight block adjustment structure, simplify the weight adjustment structure.The weight block that the present invention proposes grasps and releasing structure, can realize that the both sides guide pin bushing is finished simultaneously to pick and place action, and fetching process coordinates, quick, reliable.
Description of drawings
Fig. 1 is the assembly structure schematic diagram of guide pin bushing revolving type weight adjusting device of the present invention;
Fig. 2 puts the vertical view of balancing weight for Fig. 1;
Fig. 3 is the cutaway view of upper support piece;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is the vertical view of upper support piece;
Fig. 6 is the schematic diagram of balancing weight.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
The schematic diagram of guide pin bushing revolving type weight adjusting device of the present invention such as Fig. 1-shown in Figure 6, comprise taper knob 10, two bearing units, counterweight adjusting mechanism and balancing weights 20, the schematic diagram of described balancing weight 20 as shown in Figure 6, comprise disk shape body 25, described body 25 centers are provided with centre bore 24, body is provided with open slot 23, and described open slot 23 radially passes centre bore 24 and to a side opening.Described counterweight adjusting mechanism comprises spiral cover 15, regulating spring 14, steel ball 13, location-plate 12, regulate leading screw 11, two guide pin bushings 9 and two guide pillars 3.Described bearing unit comprises outer end cap 3, inner end cap 6, upper support piece 4 and lower support piece 1, described upper support piece and lower support piece outside are respectively arranged with balancing weight upper shed groove 23 corresponding balancing weights and lay groove 18, adjacent balancing weight is laid between the groove and is separated by boss 22, and described upper support piece 4 inside are provided with guide pillar walking passage 21.Be equipped with in the described taper knob 10 and regulate leading screw 11, between described adjusting leading screw 11 and the taper knob 10 two opposite guide pin bushings 9 of internal thread direction are installed, two guide pin bushings are connected with the adjusting threads of lead screw respectively, and when regulating the leading screw rotation, the direction of motion of two guide pin bushings is opposite.Each guide pin bushing 9 is connected with guide pillar 5 in placing upper support piece upper guide post walking passage 21.Described outer end cap 3 is fixedlyed connected with the outer end of regulating leading screw 11, and described upper support piece 4 is fixedlyed connected with outer end cap 3 by screw 2 respectively with lower support piece 1 one ends, and the other end of described upper support piece and lower support piece is connected by screw 7 with inner end cap 6 respectively.One end of described adjusting leading screw 11 is fixedlyed connected by screw 16 with spiral cover 15, in the described spiral cover 15 regulating spring 14 is installed, between the outer end cap of a described spiral cover 15 and a corresponding side location-plate 12 is installed, described location-plate is provided with a plurality of locating holes, is equipped with between described regulating spring 14 and the location-plate 12 and the corresponding steel ball 13 of locating hole.Steel ball enters in the different locating holes in the process of spiral cover rotation, and corresponding guide pin bushing is mentioned different weight blocks, and realizes the location by steel ball.The diameter of described guide pin bushing is less than the diameter of the balancing weight centre bore width greater than open slot, the diameter of described adjusting leading screw and guide pillar is less than the open slot width on the weight block, like this, ensure that guide pin bushing can pass centre bore but balancing weight is mentioned in the restriction that is subjected to open slot, regulate leading screw and guide pillar and can pass centre bore and open slot and not influence mentioning and discharging of balancing weight.
Be respectively arranged with corresponding guide pillar installing hole 19 with guide pillar initial position corresponding upper support piece top and inner end cap.
In order clearly to find out the weight of the weight block of being mentioned, described spiral cover is provided with counterweight numerical value, and the outer end cap of a corresponding side with spiral cover is provided with the counterweight mark.
In each inner end cap outside deckboard 8 is installed.
More firm in order to connect, described inner end cap is placed in the groove of taper knob end.
Rotate spiral cover 15, drive and regulate leading screw 11 rotations, regulate leading screw 11 and drive two guide pin bushings, the effect of guide pillar is to prevent that guide pin bushing from rotating with regulating leading screw, and guide pillar is limited in interior the moving of guide pillar walking passage of upper support piece.Be subjected to the constraint of guide pillar, guide pin bushing can only do reciprocating linear motion in the endoporus of taper knob 9 vertically, and two guide pin bushings 10 are when stretch out from inside to outside simultaneously the both sides of handle 9, and the external cylindrical surface of guide pin bushing passes from the centre bore of weight block.When upwards mentioning handle, weight block hangs on the external cylindrical surface of guide pin bushing and is raised, and Xuan Ding weight block is not retained in the original position on the base, and the length of guide pin bushing equals the thickness sum of each weight block and boss.
Being positioned at the spiral cover of regulating leading screw one end can rotate by the relative weight piece, rotates spiral cover and can make guide pin bushing be in different telescopic locations.When the counterweight mark on the counterweight weight numerical value aligning outer end cap 3 that marks on the spiral cover, mention handle 9, the weight block that guide pin bushing passes is draped and mentions; During backward rotation spiral cover 15, the weight block that breaks away from guide pin bushing can discharge automatically.
Guide pin bushing revolving type weight adjusting device of the present invention can realize that the weight that can be used for dumbbell is regulated to the mentioning and discharge of suspension type weight.Adopt a kind of Stability Analysis of Structures, weight adjusting device that controllability is strong, release quick more convenient, safe and reliable dumbbell kind.The present invention starts with from the theory of engagement and machine driving aspect, analyze at aspects such as the controllability of body-building dumbbell and security performances, new design has been proposed, for society provide a kind of safe and efficient easily, be fit to the weight adjusting device that weight block grasps and discharges.
Claims (5)
1. guide pin bushing revolving type weight adjusting device, it is characterized in that, comprise taper knob, two bearing units, counterweight adjusting mechanism and balancing weights, described balancing weight comprises disk shape body, described body center is provided with centre bore, body is provided with open slot, and described open slot radially passes centre bore and to a side opening; Described counterweight adjusting mechanism comprises spiral cover, regulating spring, steel ball, location-plate, adjusting leading screw, two guide pin bushings and two guide pillars, described bearing unit comprises outer end cap, inner end cap, upper support piece and lower support piece, described upper support piece and lower support piece outside are respectively arranged with the corresponding balancing weight of balancing weight upper shed groove and lay groove, adjacent balancing weight is laid between the groove and is separated by boss, and described upper support piece inside is provided with guide pillar walking passage; The adjusting leading screw is installed in the described taper knob, between described adjusting leading screw and the taper knob two opposite guide pin bushings of internal thread direction are installed, two guide pin bushings are connected with the adjusting threads of lead screw respectively, each guide pin bushing is connected with placing the interior corresponding guide pillar of upper support piece upper guide post walking passage, described outer end cap is fixedlyed connected with the outer end of regulating leading screw, described upper support piece is fixedlyed connected with described outer end cap respectively with lower support piece one end, and the other end of described upper support piece and lower support piece is connected with inner end cap respectively; One end of described adjusting leading screw is fixedlyed connected with spiral cover, in the described spiral cover regulating spring is installed, between the outer end cap of a described spiral cover and a corresponding side location-plate is installed, described location-plate is provided with a plurality of locating holes, be equipped with between described regulating spring and the location-plate and the corresponding steel ball of locating hole, the diameter of described guide pin bushing is less than the diameter of the balancing weight centre bore width greater than open slot, and the diameter of described adjusting leading screw and guide pillar is less than the open slot width on the weight block.
2. guide pin bushing revolving type weight adjusting device according to claim 1 is characterized in that, is respectively arranged with corresponding guide pillar installing hole with guide pillar initial position corresponding upper support piece top and inner end cap.
3. guide pin bushing revolving type weight adjusting device according to claim 1 is characterized in that described spiral cover is provided with counterweight numerical value, and the outer end cap of a corresponding side with spiral cover is provided with the counterweight mark.
4. guide pin bushing revolving type weight adjusting device according to claim 1 is characterized in that each inner end cap outside is equipped with deckboard.
5. guide pin bushing revolving type weight adjusting device according to claim 1 is characterized in that described inner end cap is enclosed within the groove of taper knob end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110008816 CN102133463A (en) | 2011-01-17 | 2011-01-17 | Weight adjusting device with screwing type guiding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110008816 CN102133463A (en) | 2011-01-17 | 2011-01-17 | Weight adjusting device with screwing type guiding sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102133463A true CN102133463A (en) | 2011-07-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110008816 Pending CN102133463A (en) | 2011-01-17 | 2011-01-17 | Weight adjusting device with screwing type guiding sleeve |
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| Country | Link |
|---|---|
| CN (1) | CN102133463A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107050748A (en) * | 2017-03-14 | 2017-08-18 | 王槐奇 | A kind of adjustable dumbbell |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2915173Y (en) * | 2006-01-13 | 2007-06-27 | 雷仁贸易有限公司 | Rotary adjusted dumbbell assembly |
| CN2928149Y (en) * | 2006-07-13 | 2007-08-01 | 雷仁贸易有限公司 | Rotary regulating dumbbell assembly |
| CN201969262U (en) * | 2011-01-17 | 2011-09-14 | 天津商业大学 | Guide sleeve screwing-type weight adjusting device |
-
2011
- 2011-01-17 CN CN 201110008816 patent/CN102133463A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2915173Y (en) * | 2006-01-13 | 2007-06-27 | 雷仁贸易有限公司 | Rotary adjusted dumbbell assembly |
| CN2928149Y (en) * | 2006-07-13 | 2007-08-01 | 雷仁贸易有限公司 | Rotary regulating dumbbell assembly |
| CN201969262U (en) * | 2011-01-17 | 2011-09-14 | 天津商业大学 | Guide sleeve screwing-type weight adjusting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107050748A (en) * | 2017-03-14 | 2017-08-18 | 王槐奇 | A kind of adjustable dumbbell |
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Application publication date: 20110727 |